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The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a
federal district A federal district is a type of administrative division of a federation, usually under the direct control of a federal government and organized sometimes with a single municipal body. Federal districts often include capital districts, and they ...
, five major unincorporated territories, nine Minor Outlying Islands, and 326 Indian reservations. The United States is also in free association with three
Pacific Island Collectively called the Pacific Islands, the islands in the Pacific Ocean are further categorized into three major island groups: Melanesia, Micronesia, and Polynesia. Depending on the context, the term ''Pacific Islands'' may refer to one of se ...
sovereign states: the
Federated States of Micronesia The Federated States of Micronesia (; abbreviated FSM) is an island country in Oceania. It consists of four states from west to east, Yap, Chuuk, Pohnpei and Kosraethat are spread across the western Pacific. Together, the states comprise a ...
, the
Marshall Islands The Marshall Islands ( mh, Ṃajeḷ), officially the Republic of the Marshall Islands ( mh, Aolepān Aorōkin Ṃajeḷ),'' () is an independent island country and microstate near the Equator in the Pacific Ocean, slightly west of the Intern ...
, and the
Republic of Palau Palau,, officially the Republic of Palau and historically ''Belau'', ''Palaos'' or ''Pelew'', is an island country and microstate in the western Pacific. The nation has approximately 340 islands and connects the western chain of the Caro ...
. It is the world's third-largest country by both land and total area. It shares land borders with Canada to its north and with Mexico to its south and has maritime borders with the
Bahamas The Bahamas (), officially the Commonwealth of The Bahamas, is an island country within the Lucayan Archipelago of the West Indies in the North Atlantic. It takes up 97% of the Lucayan Archipelago's land area and is home to 88% of the ar ...
,
Cuba Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribbea ...
,
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...
, and other nations. With a population of over 333 million, it is the most populous country in the
Americas The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North and South America. The Americas make up most of the land in Earth's Western Hemisphere and comprise the New World. Along with th ...
and the third most populous in the world. The national capital of the United States is
Washington, D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...
and its most populous city and principal financial center is
New York City New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the most densely populated major city in the Un ...
. Paleo-Americans migrated from Siberia to the North American mainland at least 12,000 years ago, and advanced cultures began to appear later on. These societies had almost completely declined when Europeans arrived in North America and began colonizing it.
Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It i ...
's
Thirteen Colonies The Thirteen Colonies, also known as the Thirteen British Colonies, the Thirteen American Colonies, or later as the United Colonies, were a group of British colonies on the Atlantic coast of North America. Founded in the 17th and 18th cent ...
quarreled with the British Crown over taxation and
political representation Political representation is the activity of making citizens "present" in public policy-making processes when political actors act in the best interest of citizens. This definition of political representation is consistent with a wide variety of vie ...
, leading to the
American Revolution The American Revolution was an ideological and political revolution that occurred in British America between 1765 and 1791. The Americans in the Thirteen Colonies formed independent states that defeated the British in the American Revoluti ...
(1765–1791). After the Revolution, the United States gained independence, the first nation-state founded on Enlightenment principles of
liberal democracy Liberal democracy is the combination of a liberal political ideology that operates under an indirect democratic form of government. It is characterized by elections between multiple distinct political parties, a separation of powers into ...
. In the late 18th century, the U.S. began expanding across North America, gradually obtaining new territories, sometimes through war, frequently displacing Native Americans, and admitting new states. By 1848, the United States spanned the
continent A continent is any of several large landmasses. Generally identified by convention rather than any strict criteria, up to seven geographical regions In geography, regions, otherwise referred to as zones, lands or territories, are areas t ...
from east to west. The controversy surrounding the practice of
slavery Slavery and enslavement are both the state and the condition of being a slave—someone forbidden to quit one's service for an enslaver, and who is treated by the enslaver as property. Slavery typically involves slaves being made to perf ...
culminated in the secession of the
Confederate States of America The Confederate States of America (CSA), commonly referred to as the Confederate States or the Confederacy was an unrecognized breakaway republic in the Southern United States that existed from February 8, 1861, to May 9, 1865. The Confeder ...
, which fought the remaining states of the
Union Union commonly refers to: * Trade union, an organization of workers * Union (set theory), in mathematics, a fundamental operation on sets Union may also refer to: Arts and entertainment Music * Union (band), an American rock group ** ''Un ...
during the
American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states ...
(1861–1865). With the Union's victory and preservation, slavery was abolished by the Thirteenth Amendment. By 1890, the United States had grown to become the world's largest economy, and the
Spanish–American War , partof = the Philippine Revolution, the decolonization of the Americas, and the Cuban War of Independence , image = Collage infobox for Spanish-American War.jpg , image_size = 300px , caption = (cloc ...
and
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
established the country as a
world power A great power is a sovereign state that is recognized as having the ability and expertise to exert its influence on a global scale. Great powers characteristically possess military and economic strength, as well as diplomatic and soft power inf ...
. After Japan's surprise attack on Pearl Harbor in 1941, the U.S. entered
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...
on the Allied side. The aftermath of the war left the United States and the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
as the world's two superpowers, and led to the Cold War, which commenced in 1945 and ended in 1991 with the Soviet Union's dissolution. During the Cold War, both countries engaged in a struggle for ideological dominance but avoided direct military conflict. They also competed in the
Space Race The Space Race was a 20th-century competition between two Cold War rivals, the United States and the Soviet Union, to achieve superior spaceflight capability. It had its origins in the ballistic missile-based nuclear arms race between the t ...
, which culminated in the 1969 American spaceflight in which the U.S. was the first nation to land humans on the
Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...
. Simultaneously, the
civil rights movement The civil rights movement was a nonviolent social and political movement and campaign from 1954 to 1968 in the United States to abolish legalized institutional racial segregation, discrimination, and disenfranchisement throughout the Unite ...
(1954–1968) led to legislation abolishing state and local
Jim Crow laws The Jim Crow laws were state and local laws enforcing racial segregation in the Southern United States. Other areas of the United States were affected by formal and informal policies of segregation as well, but many states outside the Sout ...
and other codified racial discrimination against African Americans. With the Soviet Union's dissolution in 1991 and the end of the Cold War, the United States emerged as the world's sole superpower. In 2001, following the
September 11 attacks The September 11 attacks, commonly known as 9/11, were four coordinated suicide terrorist attacks carried out by al-Qaeda against the United States on Tuesday, September 11, 2001. That morning, nineteen terrorists hijacked four commer ...
, the United States became a lead member of the
Global War on Terrorism The war on terror, officially the Global War on Terrorism (GWOT), is an ongoing international counterterrorism military campaign initiated by the United States following the September 11 attacks. The main targets of the campaign are militant ...
, which included the
War in Afghanistan War in Afghanistan, Afghan war, or Afghan civil war may refer to: *Conquest of Afghanistan by Alexander the Great (330 BC – 327 BC) * Muslim conquests of Afghanistan (637–709) *Conquest of Afghanistan by the Mongol Empire (13th century), see al ...
(2001–2021) and the
Iraq War {{Infobox military conflict , conflict = Iraq War {{Nobold, {{lang, ar, حرب العراق (Arabic) {{Nobold, {{lang, ku, شەڕی عێراق ( Kurdish) , partof = the Iraq conflict and the War on terror , image ...
(2003–2011). The United States is a federal republic with three separate branches of government, including a bicameral legislature. It is a liberal democracy and has a market economy. It ranks very high in international measures of
quality of life Quality of life (QOL) is defined by the World Health Organization as "an individual's perception of their position in life in the context of the culture and value systems in which they live and in relation to their goals, expectations, standards ...
,
income Income is the consumption and saving opportunity gained by an entity within a specified timeframe, which is generally expressed in monetary terms. Income is difficult to define conceptually and the definition may be different across fields. Fo ...
and
wealth Wealth is the abundance of valuable financial assets or physical possessions which can be converted into a form that can be used for transactions. This includes the core meaning as held in the originating Old English word , which is from an I ...
, economic competitiveness,
human rights Human rights are moral principles or normsJames Nickel, with assistance from Thomas Pogge, M.B.E. Smith, and Leif Wenar, 13 December 2013, Stanford Encyclopedia of PhilosophyHuman Rights Retrieved 14 August 2014 for certain standards of hu ...
,
innovation Innovation is the practical implementation of ideas that result in the introduction of new goods or services or improvement in offering goods or services. ISO TC 279 in the standard ISO 56000:2020 defines innovation as "a new or changed entit ...
, and
education Education is a purposeful activity directed at achieving certain aims, such as transmitting knowledge or fostering skills and character traits. These aims may include the development of understanding, rationality, kindness, and honesty ...
; it has low levels of perceived corruption. The United States has the highest median income per person of any polity in the world. It has high levels of incarceration and
inequality Inequality may refer to: Economics * Attention inequality, unequal distribution of attention across users, groups of people, issues in etc. in attention economy * Economic inequality, difference in economic well-being between population groups * ...
and lacks
universal health care Universal health care (also called universal health coverage, universal coverage, or universal care) is a health care system in which all residents of a particular country or region are assured access to health care. It is generally organized ar ...
. As a melting pot of
cultures Culture () is an umbrella term which encompasses the social behavior, institutions, and norms found in human societies, as well as the knowledge, beliefs, arts, laws, customs, capabilities, and habits of the individuals in these groups.Tylo ...
and
ethnicities An ethnic group or an ethnicity is a grouping of people who identify with each other on the basis of shared attributes that distinguish them from other groups. Those attributes can include common sets of traditions, ancestry, language, history, ...
, the U.S. has been shaped by centuries of immigration. The United States is a highly developed country, and its economy accounts for approximately a quarter of global
GDP Gross domestic product (GDP) is a monetary measure of the market value of all the final goods and services produced and sold (not resold) in a specific time period by countries. Due to its complex and subjective nature this measure is ofte ...
and is the world's
largest Large means of great size. Large may also refer to: Mathematics * Arbitrarily large, a phrase in mathematics * Large cardinal, a property of certain transfinite numbers * Large category, a category with a proper class of objects and morphisms (o ...
by GDP at market exchange rates. By value, the United States is the world's
largest Large means of great size. Large may also refer to: Mathematics * Arbitrarily large, a phrase in mathematics * Large cardinal, a property of certain transfinite numbers * Large category, a category with a proper class of objects and morphisms (o ...
importer and second-largest exporter. Although it accounts for just over 4.2% of the world's total population, the U.S. holds over 30% of the total wealth in the world, the largest share held by any country. The United States is a founding member of the
United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmoniz ...
,
World Bank The World Bank is an international financial institution that provides loans and grants to the governments of low- and middle-income countries for the purpose of pursuing capital projects. The World Bank is the collective name for the Inte ...
,
International Monetary Fund The International Monetary Fund (IMF) is a major financial agency of the United Nations, and an international financial institution, headquartered in Washington, D.C., consisting of 190 countries. Its stated mission is "working to foster glo ...
, Organization of American States,
NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two No ...
, the
Quadrilateral Security Dialogue The Quadrilateral Security Dialogue (QSD), commonly known as the Quad, is a strategic security dialogue between Australia, India, Japan and the United States that is maintained by talks between member countries. The dialogue was initiated in ...
, and is a permanent member of the
United Nations Security Council The United Nations Security Council (UNSC) is one of the six principal organs of the United Nations (UN) and is charged with ensuring international peace and security, recommending the admission of new UN members to the General Assembly, an ...
. The country is responsible for more than a third of global military spending and is the foremost military power in the world and a leading
political Politics (from , ) is the set of activities that are associated with making decisions in groups, or other forms of power relations among individuals, such as the distribution of resources or status. The branch of social science that stud ...
, cultural, and
scientific Science is a systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earliest archeological evidence for ...
force.


Etymology

The first known use of the name " America" dates to 1507, when it appeared on a world map produced by the German cartographer
Martin Waldseemüller Martin Waldseemüller (c. 1470 – 16 March 1520) was a German cartographer and humanist scholar. Sometimes known by the Latinized form of his name, Hylacomylus, his work was influential among contemporary cartographers. He and his collaborator ...
in Saint Dié,
Lorraine Lorraine , also , , ; Lorrain: ''Louréne''; Lorraine Franconian: ''Lottringe''; german: Lothringen ; lb, Loutrengen; nl, Lotharingen is a cultural and historical region in Northeastern France, now located in the administrative region of Gra ...
(now northeastern France). On his map, the name is shown in large letters on what would now be considered
South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the sout ...
, honoring Amerigo Vespucci. The Italian explorer was the first to postulate that the
West Indies The West Indies is a subregion of North America, surrounded by the North Atlantic Ocean and the Caribbean Sea that includes 13 independent island countries and 18 dependencies and other territories in three major archipelagos: the Greate ...
did not represent Asia's eastern limit but were part of a previously unknown landmass. In 1538, the Flemish cartographer
Gerardus Mercator Gerardus Mercator (; 5 March 1512 – 2 December 1594) was a 16th-century geographer, cosmographer and Cartography, cartographer from the County of Flanders. He is most renowned for creating the Mercator 1569 world map, 1569 world map based on ...
used the name "America" to refer to the entire
Western Hemisphere The Western Hemisphere is the half of the planet Earth that lies west of the prime meridian (which crosses Greenwich, London, United Kingdom) and east of the antimeridian. The other half is called the Eastern Hemisphere. Politically, the te ...
. The first documentary evidence of the phrase "United States of America" dates back to a letter from January 2, 1776, written by
Stephen Moylan Stephen Moylan (1737 – April 11, 1811) was an Irish-American patriot leader during the American Revolutionary War. He had several positions in the Continental Army including Muster-Master General, Secretary and Aide to General George Washingto ...
to Joseph Reed, George Washington's aide-de-camp. Moylan expressed his wish to go "with full and ample powers from the United States of America to Spain" to seek assistance in the revolutionary war effort. The first known publication of the phrase "United States of America" was in an anonymous essay in ''
The Virginia Gazette ''The Virginia Gazette'' is the local newspaper of Williamsburg, Virginia. Established in 1930, it is named for the historical ''Virginia Gazette'' published between 1736 and 1780. It is published twice a week in the broadsheet format. Historical ...
'' newspaper in Williamsburg, on April 6, 1776. The second draft of the Articles of Confederation and
Perpetual Union The Perpetual Union is a feature of the Articles of Confederation and Perpetual Union, which established the United States of America as a political entity. Under modern American constitutional law this means that U.S. states are not permitted t ...
, prepared by
John Dickinson John Dickinson (November 13 Julian_calendar">/nowiki>Julian_calendar_November_2.html" ;"title="Julian_calendar.html" ;"title="/nowiki>Julian calendar">/nowiki>Julian calendar November 2">Julian_calendar.html" ;"title="/nowiki>Julian calendar" ...
and completed no later than June 17, 1776, declared "The name of this Confederation shall be the 'United States of America'." The final version of the Articles, sent to the states for ratification in late 1777, stated that "The Stile of this Confederacy shall be 'The United States of America'." In June 1776,
Thomas Jefferson Thomas Jefferson (April 13, 1743 – July 4, 1826) was an American statesman, diplomat, lawyer, architect, philosopher, and Founding Father who served as the third president of the United States from 1801 to 1809. He was previously the natio ...
wrote the phrase "UNITED STATES OF AMERICA" in the headline of his "original Rough draught" of the
Declaration of Independence A declaration of independence or declaration of statehood or proclamation of independence is an assertion by a polity in a defined territory that it is independent and constitutes a state. Such places are usually declared from part or all of th ...
. This draft of the document did not surface until June 21, 1776, and it is unclear whether it was written before or after Dickinson used the term in his June 17 draft of the Articles of Confederation. The phrase "United States" was originally plural in American usage. It described a collection of states—e.g., "the United States are..." The singular form became popular after the end of the Civil War and is now standard usage. A citizen of the United States is called an " American". "United States", "American", and "U.S." refer to the country adjectivally ("American values", "U.S. forces"). In English, the word "American" rarely refers to topics or subjects not directly connected with the United States.


History


Early history

It is generally accepted that the first inhabitants of North America migrated from
Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive region, geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a ...
by way of the
Bering land bridge Beringia is defined today as the land and maritime area bounded on the west by the Lena River in Russia; on the east by the Mackenzie River in Canada; on the north by 72 degrees north latitude in the Chukchi Sea; and on the south by the tip of ...
and arrived at least 12,000 years ago; however, some evidence suggests an even earlier date of arrival. The
Clovis culture The Clovis culture is a prehistoric Paleoamerican culture, named for distinct stone and bone tools found in close association with Pleistocene fauna, particularly two mammoths, at Blackwater Locality No. 1 near Clovis, New Mexico, in 1936 a ...
, which appeared around 11,000 BC, is believed to represent the first wave of human settlement of the Americas. This was likely the first of three major waves of migration into North America; later waves brought the ancestors of present-day
Athabaskans Athabaskan (also spelled ''Athabascan'', ''Athapaskan'' or ''Athapascan'', and also known as Dene) is a large family of indigenous languages of North America, located in western North America in three areal language groups: Northern, Pacific C ...
,
Aleut The Aleuts ( ; russian: Алеуты, Aleuty) are the indigenous people of the Aleutian Islands, which are located between the North Pacific Ocean and the Bering Sea. Both the Aleut people and the islands are politically divided between the ...
s, and Eskimos. Over time, indigenous cultures in North America grew increasingly sophisticated, and some, such as the pre-Columbian Mississippian culture in the southeast, developed advanced
agriculture Agriculture or farming is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people t ...
,
architecture Architecture is the art and technique of designing and building, as distinguished from the skills associated with construction. It is both the process and the product of sketching, conceiving, planning, designing, and constructing building ...
, and complex societies. The city-state of
Cahokia The Cahokia Mounds State Historic Site ( 11 MS 2) is the site of a pre-Columbian Native American city (which existed 1050–1350 CE) directly across the Mississippi River from modern St. Louis, Missouri. This historic park lies in south- ...
is the largest, most complex pre-Columbian
archaeological site An archaeological site is a place (or group of physical sites) in which evidence of past activity is preserved (either prehistoric or historic or contemporary), and which has been, or may be, investigated using the discipline of archaeology a ...
in the modern-day United States. In the Four Corners region,
Ancestral Puebloan The Ancestral Puebloans, also known as the Anasazi, were an ancient Native American culture that spanned the present-day Four Corners region of the United States, comprising southeastern Utah, northeastern Arizona, northwestern New Mexico, an ...
culture developed from centuries of agricultural experimentation. The Algonquian are one of the most populous and widespread North American native language groups. This grouping consists of the peoples who speak
Algonquian languages The Algonquian languages ( or ; also Algonkian) are a subfamily of indigenous American languages that include most languages in the Algic language family. The name of the Algonquian language family is distinguished from the orthographically simi ...
. Historically, these peoples were prominent along the Atlantic Coast and into the interior along the
Saint Lawrence River The St. Lawrence River (french: Fleuve Saint-Laurent, ) is a large river in the middle latitudes of North America. Its headwaters begin flowing from Lake Ontario in a (roughly) northeasterly direction, into the Gulf of St. Lawrence, connectin ...
and around the
Great Lakes The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes in the mid-east region of North America that connect to the Atlantic Ocean via the Saint Lawrence River. There are five lak ...
. Before Europeans came into contact, most Algonquian settlements lived by hunting and fishing, although many supplemented their diet by cultivating corn, beans and
squash Squash may refer to: Sports * Squash (sport), the high-speed racquet sport also known as squash racquets * Squash (professional wrestling), an extremely one-sided match in professional wrestling * Squash tennis, a game similar to squash but pla ...
(the " Three Sisters"). The
Ojibwe The Ojibwe, Ojibwa, Chippewa, or Saulteaux are an Anishinaabe people in what is currently southern Canada, the northern Midwestern United States, and Northern Plains. According to the U.S. census, in the United States Ojibwe people are one of ...
cultivated
wild rice Wild rice, also called manoomin, Canada rice, Indian rice, or water oats, is any of four species of grasses that form the genus ''Zizania'', and the grain that can be harvested from them. The grain was historically gathered and eaten in both ...
. The
Haudenosaunee The Iroquois ( or ), officially the Haudenosaunee ( meaning "people of the longhouse"), are an Iroquoian-speaking confederacy of First Nations peoples in northeast North America/ Turtle Island. They were known during the colonial years to ...
confederation of the
Iroquois The Iroquois ( or ), officially the Haudenosaunee ( meaning "people of the longhouse"), are an Iroquoian-speaking confederacy of First Nations peoples in northeast North America/ Turtle Island. They were known during the colonial years to ...
, located in the southern Great Lakes region, was established at some point between the twelfth and fifteenth centuries. Estimating the native population of North America during European contact is difficult. Douglas H. Ubelaker of the
Smithsonian Institution The Smithsonian Institution ( ), or simply the Smithsonian, is a group of museums and education and research centers, the largest such complex in the world, created by the U.S. government "for the increase and diffusion of knowledge". Founded ...
estimated a population of 93,000 in the
South Atlantic states The South Atlantic United States form one of the nine Census Bureau Divisions within the United States that are recognized by the United States Census Bureau. This region, U.S. Census Bureau Region 3, Division 5, corresponds to the South (states ...
and a population of 473,000 in the Gulf states, but most academics regard this figure as too low. Anthropologist Henry F. Dobyns believed the populations were much higher, suggesting around 1.1 million along the shores of the
Gulf of Mexico The Gulf of Mexico ( es, Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United ...
, 2.2 million people living between
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...
and
Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
, 5.2 million in the
Mississippi Valley The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it ...
and tributaries, and around 700,000 people in the
Florida peninsula A peninsula ( la, paeninsula from ''paene'' "almost" and ''insula'' "island") is a piece of land that is bordered mostly by water but connected to mainland. The surrounding water is usually understood to be continuous, though not necessarily nam ...
.


Colonial America

Claims of very early colonization of coastal New England by the Norse are disputed and controversial.
Christopher Columbus Christopher Columbus * lij, Cristoffa C(or)ombo * es, link=no, Cristóbal Colón * pt, Cristóvão Colombo * ca, Cristòfor (or ) * la, Christophorus Columbus. (; born between 25 August and 31 October 1451, died 20 May 1506) was a ...
had landed in
Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and unincorporated ...
on his 1493 voyage, and San Juan was settled by the Spanish a decade later. The first documented arrival of Europeans in the continental United States is that of Spanish conquistadors such as Juan Ponce de León, who made his first expedition to
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...
in 1513. The Italian explorer Giovanni da Verrazzano, sent by France to the New World in 1525, encountered native inhabitants of what is now New York Bay. The Spanish set up the first settlements in Florida and New Mexico, such as
Saint Augustine Augustine of Hippo ( , ; la, Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North Afr ...
, often considered the nation's oldest city, and Santa Fe. The French established their own settlements along the
Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it fl ...
and
Gulf of Mexico The Gulf of Mexico ( es, Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United ...
, notably
New Orleans New Orleans ( , ,New Orleans
and
Mobile Mobile may refer to: Places * Mobile, Alabama, a U.S. port city * Mobile County, Alabama * Mobile, Arizona, a small town near Phoenix, U.S. * Mobile, Newfoundland and Labrador Arts, entertainment, and media Music Groups and labels * Mobile ( ...
. Successful English settlement of the eastern coast of North America began with the
Virginia Colony The Colony of Virginia, chartered in 1606 and settled in 1607, was the first enduring English colony in North America, following failed attempts at settlement on Newfoundland by Sir Humphrey GilbertGilbert (Saunders Family), Sir Humphrey" (histor ...
in 1607 at Jamestown and with the Pilgrims' colony at Plymouth in 1620. The continent's first elected legislative assembly, Virginia's
House of Burgesses The House of Burgesses was the elected representative element of the Virginia General Assembly, the legislative body of the Colony of Virginia. With the creation of the House of Burgesses in 1642, the General Assembly, which had been establishe ...
, was founded in 1619.
Harvard College Harvard College is the undergraduate college of Harvard University, an Ivy League research university in Cambridge, Massachusetts. Founded in 1636, Harvard College is the original school of Harvard University, the oldest institution of higher lea ...
was established in the Massachusetts Bay Colony in 1636 as the first institution of higher education. The Mayflower Compact and the
Fundamental Orders of Connecticut The Fundamental Orders were adopted by the Connecticut Colony council on . The fundamental orders describe the government set up by the Connecticut River towns, setting its structure and powers. They wanted the government to have access to the ...
established precedents for representative self-government and constitutionalism that would develop throughout the American colonies. Many English settlers were dissenting Christians who came seeking
religious freedom Freedom of religion or religious liberty is a principle that supports the freedom of an individual or community, in public or private, to manifest religion or belief in teaching, practice, worship, and observance. It also includes the freedom ...
. The native population of America declined after European arrival for various reasons, primarily from diseases such as
smallpox Smallpox was an infectious disease caused by variola virus (often called smallpox virus) which belongs to the genus Orthopoxvirus. The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) c ...
and measles. In the early days of colonization, many European settlers experienced food shortages, disease, and conflicts with Native Americans, such as in
King Philip's War King Philip's War (sometimes called the First Indian War, Metacom's War, Metacomet's War, Pometacomet's Rebellion, or Metacom's Rebellion) was an armed conflict in 1675–1676 between indigenous inhabitants of New England and New England coloni ...
. Native Americans were also often fighting neighboring tribes and European settlers. In many cases, however, the natives and settlers came to depend on each other. Settlers traded for food and animal pelts; natives for guns, tools and other European goods. Natives taught many settlers to cultivate corn, beans, and other foodstuffs. European missionaries and others felt it was important to "civilize" the Native Americans and urged them to adopt European agricultural practices and lifestyles. However, with the increased European colonization of North America, Native Americans were displaced and often killed during conflicts. European settlers also began
trafficking Smuggling is the illegal transportation of objects, substances, information or people, such as out of a house or buildings, into a prison, or across an international border, in violation of applicable laws or other regulations. There are various ...
African slaves into Colonial America via the
transatlantic slave trade The Atlantic slave trade, transatlantic slave trade, or Euro-American slave trade involved the transportation by slave traders of enslaved African people, mainly to the Americas. The slave trade regularly used the triangular trade route and i ...
. Because of a lower prevalence of tropical diseases and relatively better treatment, slaves had a much higher life expectancy in North America than in South America, leading to a rapid increase in their numbers. Colonial society was largely divided over the religious and moral implications of slavery, and several colonies passed acts for or against the practice. Lien, 1913, p. 522 Davis, 1996, p. 7 However, by the turn of the 18th century, African slaves had supplanted European
indentured servants Indentured servitude is a form of labor in which a person is contracted to work without salary for a specific number of years. The contract, called an "indenture", may be entered "voluntarily" for purported eventual compensation or debt repayment, ...
as cash crop labor, especially in the American South. Quirk, 2011, p. 195 The
Thirteen Colonies The Thirteen Colonies, also known as the Thirteen British Colonies, the Thirteen American Colonies, or later as the United Colonies, were a group of British colonies on the Atlantic coast of North America. Founded in the 17th and 18th cent ...
that would become the United States of America were administered by the British as overseas dependencies. All nonetheless had local governments with elections open to most free men. With very high birth rates, low death rates, and steady settlement, the colonial population grew rapidly, eclipsing Native American populations. The Christian revivalist movement of the 1730s and 1740s known as the Great Awakening fueled interest both in religion and in religious liberty. During the
Seven Years' War The Seven Years' War (1756–1763) was a global conflict that involved most of the European Great Powers, and was fought primarily in Europe, the Americas, and Asia-Pacific. Other concurrent conflicts include the French and Indian War (175 ...
(1756–1763), known in the U.S. as the
French and Indian War The French and Indian War (1754–1763) was a theater of the Seven Years' War, which pitted the North American colonies of the British Empire against those of the French, each side being supported by various Native American tribes. At the ...
, British forces captured Canada from the French. With the creation of the
Province of Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirteen p ...
, Canada's francophone population would remain isolated from the English-speaking colonial dependencies of
Nova Scotia Nova Scotia ( ; ; ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. Nova Scotia is Latin for "New Scotland". Most of the population are native Eng ...
, Newfoundland and the Thirteen Colonies. Excluding the Native Americans who lived there, the Thirteen Colonies had a population of over 2.1 million in 1770, about a third that of Britain. Despite continuing new arrivals, the rate of natural increase was such that by the 1770s only a small minority of Americans had been born overseas. The colonies' distance from Britain had allowed the development of self-government, but their unprecedented success motivated British monarchs to periodically seek to reassert royal authority.


American Revolution and the early federal republic

The
American Revolution The American Revolution was an ideological and political revolution that occurred in British America between 1765 and 1791. The Americans in the Thirteen Colonies formed independent states that defeated the British in the American Revoluti ...
separated the Thirteen Colonies from the
British Empire The British Empire was composed of the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts e ...
, and was the first successful
war of independence This is a list of wars of independence (also called liberation wars). These wars may or may not have been successful in achieving a goal of independence. List See also * Lists of active separatist movements * List of civil wars * List o ...
by a non-European entity against a European power in modern history. By the 18th century the American Enlightenment and the political philosophies of liberalism were pervasive among leaders. Americans began to develop an ideology of "
republicanism Republicanism is a political ideology centered on citizenship in a state organized as a republic. Historically, it emphasises the idea of self-rule and ranges from the rule of a representative minority or oligarchy to popular sovereignty. It ...
", asserting that government rested on the
consent of the governed In political philosophy, the phrase consent of the governed refers to the idea that a government's legitimacy and moral right to use state power is justified and lawful only when consented to by the people or society over which that political pow ...
. They demanded their " rights as Englishmen" and "
no taxation without representation "No taxation without representation" is a political slogan that originated in the American Revolution, and which expressed one of the primary grievances of the American colonists for Great Britain. In short, many colonists believed that as they ...
". The British insisted on administering the colonies through a
Parliament In modern politics, and history, a parliament is a legislative body of government. Generally, a modern parliament has three functions: representing the electorate, making laws, and overseeing the government via hearings and inquiries. Th ...
that did not have a single representative responsible for any American constituency, and the conflict escalated into war. In 1774, the First Continental Congress passed the
Continental Association The Continental Association, also known as the Articles of Association or simply the Association, was an agreement among the American colonies adopted by the First Continental Congress on October 20, 1774. It called for a trade boycott against ...
, which mandated a colonies-wide boycott of British goods. The
American Revolutionary War The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...
began the following year, catalyzed by events like the Stamp Act and the
Boston Tea Party The Boston Tea Party was an American political and mercantile protest by the Sons of Liberty in Boston, Massachusetts, on December 16, 1773. The target was the Tea Act of May 10, 1773, which allowed the British East India Company to sell t ...
that were rooted in colonial disagreement with British governance. The Second Continental Congress, an assembly representing the
United Colonies The "United Colonies" was the name used by the Second Continental Congress for the emerging nation comprising the Thirteen Colonies in 1775 and 1776, before and as independence was declared. Continental currency banknotes displayed the name 'Th ...
, unanimously adopted the
Declaration of Independence A declaration of independence or declaration of statehood or proclamation of independence is an assertion by a polity in a defined territory that it is independent and constitutes a state. Such places are usually declared from part or all of th ...
on July 4, 1776 (annually celebrated as Independence Day). In 1781, the Articles of Confederation and
Perpetual Union The Perpetual Union is a feature of the Articles of Confederation and Perpetual Union, which established the United States of America as a political entity. Under modern American constitutional law this means that U.S. states are not permitted t ...
established a decentralized government that operated until 1789. A celebrated early turn in the war for the Americans was
George Washington George Washington (February 22, 1732, 1799) was an American military officer, statesman, and Founding Father who served as the first president of the United States from 1789 to 1797. Appointed by the Continental Congress as commander of ...
leading the Americans to cross the frozen Delaware River in a surprise attack the night of December 25–26, 1776. Another victory, in 1777, at the Battle of Saratoga resulted in the capture of a British army, and led to
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan area ...
and
Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...
joining in the war against them. After the surrender of a second British army at the
siege of Yorktown The Siege of Yorktown, also known as the Battle of Yorktown, the surrender at Yorktown, or the German battle (from the presence of Germans in all three armies), beginning on September 28, 1781, and ending on October 19, 1781, at Yorktown, Virgi ...
in 1781, Britain signed a
peace treaty A peace treaty is an agreement between two or more hostile parties, usually countries or governments, which formally ends a state of war between the parties. It is different from an armistice An armistice is a formal agreement of warring ...
. American sovereignty became internationally recognized, and the new nation took possession of substantial territory east of the
Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it fl ...
, from what is today
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
in the north and
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...
in the south. As it became increasingly apparent that the Confederation was insufficient to govern the new country,
nationalists Nationalism is an idea and movement that holds that the nation should be congruent with the state. As a movement, nationalism tends to promote the interests of a particular nation (as in a group of people), Smith, Anthony. ''Nationalism: The ...
advocated for and led the Philadelphia Convention of 1787 in writing the United States Constitution to replace it,
ratified Ratification is a principal's approval of an act of its agent that lacked the authority to bind the principal legally. Ratification defines the international act in which a state indicates its consent to be bound to a treaty if the parties inten ...
in state conventions in 1788. Going into force in 1789, this constitution reorganized the government into a
federation A federation (also known as a federal state) is a political entity characterized by a union of partially self-governing provinces, states, or other regions under a central federal government ( federalism). In a federation, the self-govern ...
administered by three equal branches (executive, judicial and legislative), on the principle of creating salutary
checks and balances Separation of powers refers to the division of a state's government into branches, each with separate, independent powers and responsibilities, so that the powers of one branch are not in conflict with those of the other branches. The typic ...
. George Washington, who had led the Continental Army to victory and then willingly relinquished power, was the first
president President most commonly refers to: *President (corporate title) * President (education), a leader of a college or university * President (government title) President may also refer to: Automobiles * Nissan President, a 1966–2010 Japanese ...
elected under the new constitution. The
Bill of Rights A bill of rights, sometimes called a declaration of rights or a charter of rights, is a list of the most important rights to the citizens of a country. The purpose is to protect those rights against infringement from public officials and pr ...
, forbidding federal restriction of personal freedoms and guaranteeing a range of legal protections, was adopted in 1791. Boyer, 2007, pp. 192–193 Tensions with Britain remained, however, leading to the
War of 1812 The War of 1812 (18 June 1812 – 17 February 1815) was fought by the United States, United States of America and its Indigenous peoples of the Americas, indigenous allies against the United Kingdom of Great Britain and Ireland, United Kingdom ...
, which was fought to a draw. Although the federal government
outlawed An outlaw, in its original and legal meaning, is a person declared as outside the protection of the law. In pre-modern societies, all legal protection was withdrawn from the criminal, so that anyone was legally empowered to persecute or kill them ...
American participation in the Atlantic slave trade in 1807, after 1820, cultivation of the highly profitable cotton crop exploded in the Deep South, and along with it, the use of
slave labor Slavery and enslavement are both the state and the condition of being a slave—someone forbidden to quit one's service for an enslaver, and who is treated by the enslaver as property. Slavery typically involves slaves being made to perf ...
. The
Second Great Awakening The Second Great Awakening was a Protestant religious revival during the early 19th century in the United States. The Second Great Awakening, which spread religion through revivals and emotional preaching, sparked a number of reform movements. R ...
, especially in the period 1800–1840, converted millions to
evangelical Evangelicalism (), also called evangelical Christianity or evangelical Protestantism, is a worldwide interdenominational movement within Protestant Christianity that affirms the centrality of being " born again", in which an individual expe ...
Protestantism. In the North, it energized multiple social reform movements, including abolitionism; in the South, Methodists and Baptists proselytized among slave populations. In the late 18th century, American settlers began to expand further westward, some of them with a sense of manifest destiny. The 1803
Louisiana Purchase The Louisiana Purchase (french: Vente de la Louisiane, translation=Sale of Louisiana) was the acquisition of the territory of Louisiana by the United States from the French First Republic in 1803. In return for fifteen million dollars, or app ...
almost doubled the nation's area, Spain ceded Florida and other Gulf Coast territory in 1819, the Republic of Texas was annexed in 1845 during a period of expansionism, and the 1846 Oregon Treaty with Britain led to U.S. control of the present-day American Northwest. Additionally, the
Trail of Tears The Trail of Tears was an ethnic cleansing and forced displacement of approximately 60,000 people of the " Five Civilized Tribes" between 1830 and 1850 by the United States government. As part of the Indian removal, members of the Cherokee, ...
in the 1830s exemplified the Indian removal policy that forcibly resettled Indians. This further expanded acreage under mechanical cultivation, increasing surpluses for international markets. This prompted a long series of
American Indian Wars The American Indian Wars, also known as the American Frontier Wars, and the Indian Wars, were fought by European governments and colonists in North America, and later by the United States and Canadian governments and American and Canadian settle ...
west of the
Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it fl ...
from 1810 to at least 1890. and eventually, conflict with Mexico. Most of these conflicts ended with the cession of Native American territory and their confinement to Indian reservations. Victory in the
Mexican–American War The Mexican–American War, also known in the United States as the Mexican War and in Mexico as the (''United States intervention in Mexico''), was an armed conflict between the United States and Mexico from 1846 to 1848. It followed the 1 ...
resulted in the 1848 Mexican Cession of
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
and much of the present-day
American Southwest The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural region of the United States that generally includes Arizona, New Mexico, and adjacent portions of California, Colorado ...
, and the U.S. spanned the continent. The California Gold Rush of 1848–1849 spurred migration to the Pacific coast, which led to the
California Genocide The California genocide was the killing of thousands of indigenous peoples of California by United States government agents and private citizens in the 19th century. It began following the American Conquest of California from Mexico, and the ...
and the creation of additional western states. Economic development was spurred by giving vast quantities of land, nearly 10% of the total area of the United States, to white European settlers as part of the
Homestead Acts The Homestead Acts were several laws in the United States by which an applicant could acquire ownership of government land or the public domain, typically called a homestead. In all, more than of public land, or nearly 10 percent of t ...
, as well as making
land grants A land grant is a gift of real estate—land or its use privileges—made by a government or other authority as an incentive, means of enabling works, or as a reward for services to an individual, especially in return for military service. Grants ...
to private railroad companies and colleges. Prior to the Civil War, the prohibition or expansion of slavery into these territories exacerbated tensions over the debate around abolitionism.


The Civil War and Reconstruction

Irreconcilable sectional conflict regarding the enslavement of Africans and African Americans ultimately led to the American Civil War. With the 1860 election of Republican
Abraham Lincoln Abraham Lincoln ( ; February 12, 1809 – April 15, 1865) was an American lawyer, politician, and statesman who served as the 16th president of the United States from 1861 until his assassination in 1865. Lincoln led the nation thro ...
, conventions in eleven slave states declared
secession Secession is the withdrawal of a group from a larger entity, especially a political entity, but also from any organization, union or military alliance. Some of the most famous and significant secessions have been: the former Soviet republics le ...
and formed the
Confederate States of America The Confederate States of America (CSA), commonly referred to as the Confederate States or the Confederacy was an unrecognized breakaway republic in the Southern United States that existed from February 8, 1861, to May 9, 1865. The Confeder ...
, while the federal government (the "
Union Union commonly refers to: * Trade union, an organization of workers * Union (set theory), in mathematics, a fundamental operation on sets Union may also refer to: Arts and entertainment Music * Union (band), an American rock group ** ''Un ...
") maintained that secession was unconstitutional and illegal. On April 12, 1861, the Confederacy initiated military conflict by bombarding Fort Sumter, a federal garrison in
Charleston harbor The Charleston Harbor is an inlet (8 sq mi/20.7 km²) of the Atlantic Ocean at Charleston, South Carolina. The inlet is formed by the junction of Ashley and Cooper rivers at . Morris and Sullivan's Islands shelter the entrance. Charleston ...
, South Carolina. This would be the spark of the Civil War, which lasted for four years (1861–1865) and became the deadliest military conflict in American history. The war would result in the deaths of approximately 620,000 soldiers from both sides and upwards of 50,000 civilians, almost all of them in the South.
Reconstruction Reconstruction may refer to: Politics, history, and sociology *Reconstruction (law), the transfer of a company's (or several companies') business to a new company *'' Perestroika'' (Russian for "reconstruction"), a late 20th century Soviet Unio ...
began in earnest following the war. While President Lincoln attempted to foster friendship and forgiveness between the Union and the former Confederacy, his assassination on April 14, 1865 drove a wedge between North and South again. Republicans in the federal government made it their goal to oversee the rebuilding of the South and to ensure the rights of African Americans. They persisted until the Compromise of 1877, when the Republicans agreed to cease protecting the rights of African Americans in the South in order for Democrats to concede the presidential election of 1876. Southern white Democrats, calling themselves "
Redeemers The Redeemers were a political coalition in the Southern United States during the Reconstruction Era that followed the Civil War. Redeemers were the Southern wing of the Democratic Party. They sought to regain their political power and enforce ...
", took control of the South after the end of Reconstruction, beginning the
nadir of American race relations The nadir of American race relations was the period in African American history and the history of the United States from the end of Reconstruction in 1877 through the early 20th century when racism in the country, especially racism against ...
. From 1890 to 1910, the Redeemers established so-called
Jim Crow laws The Jim Crow laws were state and local laws enforcing racial segregation in the Southern United States. Other areas of the United States were affected by formal and informal policies of segregation as well, but many states outside the Sout ...
, disenfranchising almost all blacks and some impoverished whites throughout the region. Blacks would face
racial segregation Racial segregation is the systematic separation of people into race (human classification), racial or other Ethnicity, ethnic groups in daily life. Racial segregation can amount to the international crime of apartheid and a crimes against hum ...
nationwide, especially in the South. They also lived under constant threat of vigilante violence, including lynching.


Industrial Age and the Progressive Era

In the North,
urbanization Urbanization (or urbanisation) refers to the population shift from rural to urban areas, the corresponding decrease in the proportion of people living in rural areas, and the ways in which societies adapt to this change. It is predominantly t ...
and an unprecedented influx of immigrants from Southern and
Eastern Europe Eastern Europe is a subregion of the European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural, and socio-economic connotations. The vast majority of the region is covered by Russia, whic ...
supplied a surplus of labor for the country's industrialization and transformed its culture. National infrastructure, including
telegraph Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas p ...
and transcontinental railroads, spurred economic growth and greater settlement and development of the American Old West. After the
American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states ...
, new transcontinental railways made relocation easier for settlers, expanded internal trade, and increased conflicts with Native Americans. The later inventions of electric light and the
telephone A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into e ...
would also affect communication and urban life. Mainland expansion also included the
purchase of Alaska The Alaska Purchase (russian: Продажа Аляски, Prodazha Alyaski, Sale of Alaska) was the United States' acquisition of Alaska from the Russian Empire. Alaska was formally transferred to the United States on October 18, 1867, through a ...
from
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...
in 1867. In 1893, pro-American elements in Hawaii overthrew the Hawaiian monarchy and formed the Republic of Hawaii, which the U.S. annexed in 1898. Puerto Rico,
Guam Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. It is the westernmost point and territory of the United States (reckoned from the geographic cent ...
, and the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
were ceded by Spain in the same year, following the
Spanish–American War , partof = the Philippine Revolution, the decolonization of the Americas, and the Cuban War of Independence , image = Collage infobox for Spanish-American War.jpg , image_size = 300px , caption = (cloc ...
.
American Samoa American Samoa ( sm, Amerika Sāmoa, ; also ' or ') is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the island country of Samoa. Its location is centered on . It is east of the International ...
was acquired by the United States in 1900 after the end of the
Second Samoan Civil War The Second Samoan Civil War was a conflict that reached a head in 1898 when Germany, the United Kingdom, and the United States were locked in dispute over who should have control over the Samoan island chain, located in the South Pacific Ocea ...
. The U.S. Virgin Islands were purchased from
Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Danish Realm, Kingdom of Denmark ...
in 1917. Rapid economic development during the late 19th and early 20th centuries fostered the rise of many prominent industrialists.
Tycoons A business magnate, also known as a tycoon, is a person who has achieved immense wealth through the ownership of multiple lines of enterprise. The term characteristically refers to a powerful entrepreneur or investor who controls, through perso ...
like
Cornelius Vanderbilt Cornelius Vanderbilt (May 27, 1794 – January 4, 1877), nicknamed "the Commodore", was an American business magnate who built his wealth in railroads and shipping. After working with his father's business, Vanderbilt worked his way into lead ...
,
John D. Rockefeller John Davison Rockefeller Sr. (July 8, 1839 – May 23, 1937) was an American business magnate and philanthropist. He has been widely considered the wealthiest American of all time and the richest person in modern history. Rockefeller was ...
, and
Andrew Carnegie Andrew Carnegie (, ; November 25, 1835August 11, 1919) was a Scottish-American industrialist and philanthropist. Carnegie led the expansion of the American steel industry in the late 19th century and became one of the richest Americans i ...
led the nation's progress in the
railroad Rail transport (also known as train transport) is a means of transport that transfers passengers and goods on wheeled vehicles running on rails, which are incorporated in tracks. In contrast to road transport, where the vehicles run on a pre ...
,
petroleum Petroleum, also known as crude oil, or simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name ''petroleum'' covers both naturally occurring unprocessed crud ...
, and
steel Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistant ty ...
industries. Banking became a major part of the economy, with
J. P. Morgan John Pierpont Morgan Sr. (April 17, 1837 – March 31, 1913) was an American financier and investment banker who dominated corporate finance on Wall Street throughout the Gilded Age. As the head of the banking firm that ultimately became known ...
playing a notable role. The American economy boomed, becoming the world's largest. These dramatic changes were accompanied by growing inequality and social unrest, which prompted the rise of
organized labor A trade union (labor union in American English), often simply referred to as a union, is an organization of workers intent on "maintaining or improving the conditions of their employment", ch. I such as attaining better wages and Employee ben ...
along with
populist Populism refers to a range of political stances that emphasize the idea of "the people" and often juxtapose this group against " the elite". It is frequently associated with anti-establishment and anti-political sentiment. The term developed ...
,
socialist Socialism is a left-wing economic philosophy and movement encompassing a range of economic systems characterized by the dominance of social ownership of the means of production as opposed to private ownership. As a term, it describes the e ...
, and
anarchist Anarchism is a political philosophy and movement that is skeptical of all justifications for authority and seeks to abolish the institutions it claims maintain unnecessary coercion and hierarchy, typically including, though not neces ...
movements. This period eventually ended with the advent of the
Progressive Era The Progressive Era (late 1890s – late 1910s) was a period of widespread social activism and political reform across the United States focused on defeating corruption, monopoly, waste and inefficiency. The main themes ended during Am ...
, which saw significant reforms including health and safety regulation of consumer goods, the rise of
labor unions A trade union (labor union in American English), often simply referred to as a union, is an organization of workers intent on "maintaining or improving the conditions of their employment", ch. I such as attaining better wages and benefits ( ...
, and greater antitrust measures to ensure competition among businesses and attention to worker conditions.


The rise to world power, The New Deal, and World War II

The United States remained neutral from the outbreak of
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
in 1914 until 1917 when it joined the war as an "associated power" alongside the
Allies of World War I The Allies of World War I, Entente Powers, or Allied Powers were a coalition of countries led by France, the United Kingdom, Russia, Italy, Japan, and the United States against the Central Powers of Germany, Austria-Hungary, the Ottoman Em ...
, helping to turn the tide against the
Central Powers The Central Powers, also known as the Central Empires,german: Mittelmächte; hu, Központi hatalmak; tr, İttifak Devletleri / ; bg, Централни сили, translit=Tsentralni sili was one of the two main coalitions that fought in ...
. In 1919, President
Woodrow Wilson Thomas Woodrow Wilson (December 28, 1856February 3, 1924) was an American politician and academic who served as the 28th president of the United States from 1913 to 1921. A member of the Democratic Party, Wilson served as the president of ...
took a leading diplomatic role at the Paris Peace Conference and advocated strongly for the U.S. to join the
League of Nations The League of Nations (french: link=no, Société des Nations ) was the first worldwide intergovernmental organisation whose principal mission was to maintain world peace. It was founded on 10 January 1920 by the Paris Peace Conference that ...
. However, the Senate refused to approve this and did not ratify the
Treaty of Versailles The Treaty of Versailles (french: Traité de Versailles; german: Versailler Vertrag, ) was the most important of the peace treaties of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June ...
that established the League of Nations.McDuffie, Jerome; Piggrem, Gary Wayne; Woodworth, Steven E. (2005). ''U.S. History Super Review''. Piscataway, NJ: Research & Education Association. p. 418. . Around this time, millions of rural African Americans began a mass migration from the South to northern urban centers; it would continue until about 1970. The last vestiges of the Progressive Era resulted in
women's suffrage Women's suffrage is the right of women to vote in elections. Beginning in the start of the 18th century, some people sought to change voting laws to allow women to vote. Liberal political parties would go on to grant women the right to vot ...
and
alcohol prohibition Prohibition is the act or practice of forbidding something by law; more particularly the term refers to the banning of the manufacture, storage (whether in barrels or in bottles), transportation, sale, possession, and consumption of alcoholic be ...
. In 1920, the women's rights movement won passage of a
constitutional amendment A constitutional amendment is a modification of the constitution of a polity, organization or other type of entity. Amendments are often interwoven into the relevant sections of an existing constitution, directly altering the text. Conversely, t ...
granting
women's suffrage Women's suffrage is the right of women to vote in elections. Beginning in the start of the 18th century, some people sought to change voting laws to allow women to vote. Liberal political parties would go on to grant women the right to vot ...
. The 1920s and 1930s saw the rise of
radio Radio is the technology of signaling and communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmit ...
for
mass communication Mass communication is the process of imparting and exchanging information through mass media to large segments of the population. It is usually understood for relating to various forms of media, as its technologies are used for the dissemination o ...
and the invention of early
television Television, sometimes shortened to TV, is a telecommunication medium for transmitting moving images and sound. The term can refer to a television set, or the medium of television transmission. Television is a mass medium for advertisin ...
. The prosperity of the
Roaring Twenties The Roaring Twenties, sometimes stylized as Roaring '20s, refers to the 1920s decade in music and fashion, as it happened in Western society and Western culture. It was a period of economic prosperity with a distinctive cultural edge in the U ...
ended with the
Wall Street Crash of 1929 The Wall Street Crash of 1929, also known as the Great Crash, was a major American stock market crash that occurred in the autumn of 1929. It started in September and ended late in October, when share prices on the New York Stock Exchange colla ...
and the onset of the
Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...
. After his election as president in 1932,
Franklin D. Roosevelt Franklin Delano Roosevelt (; ; January 30, 1882April 12, 1945), often referred to by his initials FDR, was an American politician and attorney who served as the 32nd president of the United States from 1933 until his death in 1945. As the ...
responded with the
New Deal The New Deal was a series of programs, public work projects, financial reforms, and regulations enacted by President Franklin D. Roosevelt in the United States between 1933 and 1939. Major federal programs agencies included the Civilian Cons ...
. The
Dust Bowl The Dust Bowl was a period of severe dust storms that greatly damaged the ecology and agriculture of the American and Canadian prairies during the 1930s. The phenomenon was caused by a combination of both natural factors (severe drought) an ...
of the mid-1930s impoverished many farming communities and spurred a new wave of western migration. At first neutral during World War II, the United States in March 1941 began supplying materiel to the
Allies An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...
. On December 7, 1941, the
Empire of Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent fo ...
launched a surprise
attack on Pearl Harbor The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii, j ...
, prompting the United States to join the Allies against the
Axis powers The Axis powers, ; it, Potenze dell'Asse ; ja, 枢軸国 ''Sūjikukoku'', group=nb originally called the Rome–Berlin Axis, was a military coalition that initiated World War II and fought against the Allies. Its principal members were ...
, and in the following year, to
intern An internship is a period of work experience offered by an organization for a limited period of time. Once confined to medical graduates, internship is used practice for a wide range of placements in businesses, non-profit organizations and gover ...
about 120,000 Japanese and Japanese Americans. The U.S. pursued a "
Europe first Europe first, also known as Germany first, was the key element of the grand strategy agreed upon by the United States and the United Kingdom during World War II. According to this policy, the United States and the United Kingdom would use the prepon ...
" defense policy, leaving
the Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
, an
American colony American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...
, isolated and alone to fight Japan's invasion and occupation until the U.S.-led
Philippines campaign (1944–1945) Philippines campaign may refer to various military campaigns that have been fought in the Philippine Islands, including: Spanish colonial period (1565–1898) *Numerous revolts against Spain during the Spanish colonial period; see Philippine revol ...
. During the war, the United States was one of the " Four Powers" who met to plan the postwar world, along with Britain, the Soviet Union, and China. The United States emerged relatively unscathed from the war, and with even greater economic and military influence. The United States played a leading role in the
Bretton Woods Bretton Woods can refer to: *Bretton Woods, New Hampshire, a village in the United States **Bretton Woods Mountain Resort, a ski resort located in Bretton Woods, New Hampshire *The 1944 Bretton Woods Conference, also known as the "United Nations Mo ...
and
Yalta Yalta (: Я́лта) is a resort city on the south coast of the Crimean Peninsula surrounded by the Black Sea. It serves as the administrative center of Yalta Municipality, one of the regions within Crimea. Yalta, along with the rest of Crimea ...
conferences, which signed agreements on new international financial institutions and Europe's postwar reorganization. As an Allied victory was won in Europe, a 1945 international conference held in
San Francisco San Francisco (; Spanish language, Spanish for "Francis of Assisi, Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the List of Ca ...
produced the
United Nations Charter The Charter of the United Nations (UN) is the foundational treaty of the UN, an intergovernmental organization. It establishes the purposes, governing structure, and overall framework of the UN system, including its six principal organs: the ...
, which became active after the war. The United States and Japan then fought each other in the largest naval battle in history, the
Battle of Leyte Gulf The Battle of Leyte Gulf ( fil, Labanan sa golpo ng Leyte, lit=Battle of Leyte gulf; ) was the largest naval battle of World War II and by some criteria the largest naval battle in history, with over 200,000 naval personnel involved. It was fou ...
. The United States developed the first nuclear weapons and used them on Japan in the cities of Hiroshima and Nagasaki in August 1945; the Japanese surrendered on September 2, ending
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...
.


Cold War and late 20th century

After World War II, the United States financed and implemented the
Marshall Plan The Marshall Plan (officially the European Recovery Program, ERP) was an American initiative enacted in 1948 to provide foreign aid to Western Europe. The United States transferred over $13 billion (equivalent of about $ in ) in economic re ...
to help rebuild western Europe; disbursements paid between 1948 and 1952 would total $13 billion ($115 billion in 2021). Also at this time,
geopolitical Geopolitics (from Greek γῆ ''gê'' "earth, land" and πολιτική ''politikḗ'' "politics") is the study of the effects of Earth's geography (human and physical) on politics and international relations. While geopolitics usually refers to ...
tensions between the United States and
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
led to the Cold War, driven by an ideological divide between
capitalism Capitalism is an economic system based on the private ownership of the means of production and their operation for Profit (economics), profit. Central characteristics of capitalism include capital accumulation, competitive markets, pric ...
and
communism Communism (from Latin la, communis, lit=common, universal, label=none) is a far-left sociopolitical, philosophical, and economic ideology and current within the socialist movement whose goal is the establishment of a communist society, a s ...
. They dominated the military affairs of Europe, with the U.S. and its
NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two No ...
allies on one side and the Soviet Union and its
Warsaw Pact The Warsaw Pact (WP) or Treaty of Warsaw, formally the Treaty of Friendship, Cooperation and Mutual Assistance, was a collective defense treaty signed in Warsaw, Poland, between the Soviet Union and seven other Eastern Bloc socialist republic ...
allies on the other. The U.S. often opposed
Third World The term "Third World" arose during the Cold War to define countries that remained non-aligned with either NATO or the Warsaw Pact. The United States, Canada, Japan, South Korea, Western European nations and their allies represented the " First ...
movements that it viewed as Soviet-sponsored, sometimes pursuing direct action for
regime change Regime change is the partly forcible or coercive replacement of one government regime with another. Regime change may replace all or part of the state's most critical leadership system, administrative apparatus, or bureaucracy. Regime change may ...
against
left-wing Left-wing politics describes the range of political ideologies that support and seek to achieve social equality and egalitarianism, often in opposition to social hierarchy. Left-wing politics typically involve a concern for those in soci ...
governments. American troops fought the communist forces in the
Korean War , date = {{Ubl, 25 June 1950 – 27 July 1953 (''de facto'')({{Age in years, months, weeks and days, month1=6, day1=25, year1=1950, month2=7, day2=27, year2=1953), 25 June 1950 – present (''de jure'')({{Age in years, months, weeks a ...
of 1950–1953, and the U.S. became increasingly involved in the
Vietnam War The Vietnam War (also known by #Names, other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vie ...
(1955–1975), introducing combat forces in 1965. Their competition to achieve superior
spaceflight Spaceflight (or space flight) is an application of astronautics to fly spacecraft into or through outer space, either with or without humans on board. Most spaceflight is uncrewed and conducted mainly with spacecraft such as satellites in or ...
capability led to the
Space Race The Space Race was a 20th-century competition between two Cold War rivals, the United States and the Soviet Union, to achieve superior spaceflight capability. It had its origins in the ballistic missile-based nuclear arms race between the t ...
, which culminated in the U.S. becoming the first nation to land people on the Moon in 1969. While both countries engaged in
proxy war A proxy war is an armed conflict between two states or non-state actors, one or both of which act at the instigation or on behalf of other parties that are not directly involved in the hostilities. In order for a conflict to be considered a pr ...
s and developed powerful
nuclear weapon A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions ( thermonuclear bomb), producing a nuclear explosion. Both bom ...
s, they avoided direct military conflict. At home, the United States experienced sustained economic expansion,
urbanization Urbanization (or urbanisation) refers to the population shift from rural to urban areas, the corresponding decrease in the proportion of people living in rural areas, and the ways in which societies adapt to this change. It is predominantly t ...
, and a Post–World War II baby boom, rapid growth of its population and American middle class, middle class following World War II. Construction of an Interstate Highway System transformed the nation's transportation infrastructure in decades to come. In 1959, the United States admitted Alaska and Hawaii to become the 49th and 50th states, formally expanding beyond the contiguous United States. The growing
civil rights movement The civil rights movement was a nonviolent social and political movement and campaign from 1954 to 1968 in the United States to abolish legalized institutional racial segregation, discrimination, and disenfranchisement throughout the Unite ...
used nonviolence to confront Racism in the United States, racism, with Martin Luther King Jr. becoming a prominent leader and figurehead. President Lyndon B. Johnson initiated legislation that led to a series of policies addressing poverty and racial inequalities, in what he termed the "Great Society". The launch of a "War on Poverty" expanded Social programs in the United States, entitlements and welfare spending, leading to the creation of the Food Stamp Program, Aid to Families with Dependent Children, along with national health insurance programs Medicare (United States), Medicare and Medicaid. A combination of court decisions and legislation, culminating in the Civil Rights Act of 1968, made significant improvements. Meanwhile, a counterculture of the 1960s, counterculture movement grew, which was fueled by Opposition to United States involvement in the Vietnam War, opposition to the Vietnam War, the Black Power movement, and the sexual revolution. The Women's Movement in the United States (1963-1982), women's movement in the U.S. broadened the debate on women's rights and made gender equality a major social goal. The Sexual revolution in 1960s United States, 1960s Sexual Revolution liberalized American attitudes to sexuality; the 1969 Stonewall riots in New York City marked the beginning of the fledgling gay liberation, gay rights movement. The United States supported Israel during the Yom Kippur War; in response, the country faced an oil embargo from OPEC nations, sparking the 1973 oil crisis. After a surge in female labor participation around the 1970s, by 1985, the majority of women aged 16 and over were employed. The 1970s and early 1980s also saw the onset of stagflation. The presidency of Richard Nixon saw the American withdrawal from Vietnam but also the Watergate scandal which led to a decline in public trust of government.Sam Ervin, Ervin, Sam, et al., ''Final Report of the Watergate Committee]''. After his election in 1980 President Ronald Reagan responded to economic stagnation with Reaganomics, neoliberal reforms and initiated the more aggressive rollback, rollback strategy towards the Soviet Union. During Reagan's presidency, the federal debt held by the public nearly tripled in nominal terms, from $738 billion to $2.1 trillion. This led to the United States moving from the world's largest international creditor to the world's largest debtor nation. The dissolution of the Soviet Union in 1991 ended the Cold War, ensuring a global unipolarity in which the U.S. was unchallenged as the world's dominant superpower. Fearing the spread of Middle East, regional international instability from the Iraqi invasion of Kuwait, in August 1991, President George H. W. Bush launched and led the Gulf War against Iraq, expelling Iraqi forces and restoring the Emir of Kuwait, Kuwaiti monarchy. During the administration of President Bill Clinton in 1994, the U.S. signed the North American Free Trade Agreement (NAFTA), causing trade among the U.S., Canada, and Mexico to soar. Due to the dot-com bubble, dot-com boom, stable monetary policy, and Personal Responsibility and Work Opportunity Act, reduced social welfare spending, the 1990s saw the 1990s United States boom, longest economic expansion in modern U.S. history.


21st century

On September 11 attacks, September 11, 2001, al-Qaeda terrorist hijackers flew passenger planes into the World Trade Center (1973–2001), World Trade Center in New York City and the Pentagon near Washington, D.C., killing nearly 3,000 people. In response, President George W. Bush launched the War on Terror, which included a nearly 20-year War in Afghanistan (2001–present), war in Afghanistan from 2001 to 2021 and the 2003–2011
Iraq War {{Infobox military conflict , conflict = Iraq War {{Nobold, {{lang, ar, حرب العراق (Arabic) {{Nobold, {{lang, ku, شەڕی عێراق ( Kurdish) , partof = the Iraq conflict and the War on terror , image ...
. Government policy designed to promote affordable housing, widespread failures in corporate and regulatory governance, and historically low interest rates set by the Federal Reserve led to a United States housing bubble, housing bubble in 2006. This culminated in the financial crisis of 2007–2008 and the Great Recession, the nation's largest economic contraction since the Great Depression. Barack Obama, the first Multiracial American, multiracial president with African-American ancestry, 2008 United States presidential election, was elected in 2008 amid the financial crisis. By the end of his second term, the stock market, median household income and net worth, and the number of persons with jobs were all at record levels, while the unemployment rate was well below the historical average. His signature legislative accomplishment was the Affordable Care Act (ACA), popularly known as "Obamacare". It represented the U.S. healthcare system's most significant regulatory overhaul and expansion of coverage since Medicare in 1965. As a result, the uninsured share of the population was cut in half, while the number of newly insured Americans was estimated to be between 20 and 24 million. After Obama served two terms, Republican Donald Trump was elected as the List of Presidents of the United States, 45th president in 2016. 2016 United States presidential election, His election is viewed as one of the biggest political upsets in American history. Trump held office through Timeline of the COVID-19 pandemic in the United States, the first waves of the COVID-19 pandemic and the resulting COVID-19 recession starting in 2020 that exceeded even the Great Recession earlier in the century. The early 2020s saw the country become more divided, with various social issues sparking debate and protest. The murder of George Floyd in 2020 led to George Floyd protests, widespread civil unrest in urban centers and a national debate about Police brutality in the United States, police brutality and lingering institutional racism. The nationwide increase in the frequency of instances and number of deaths related to Mass shootings in the United States, mass shootings added to the societal tensions. On January 6, 2021, supporters of the outgoing president, Trump, 2021 United States Capitol attack, stormed the U.S. Capitol in an unsuccessful effort to disrupt the U.S. Electoral College, Electoral College vote count that would confirm Democrat Joe Biden as the 46th president. In 2022, the Supreme Court Dobbs v. Jackson Women's Health Organization, ruled that there is no constitutional right to an abortion, causing 2022 abortion protests, another wave of protests across the country and stoking international reactions as well. Despite these divisions, the country has remained unified against Union State, Russia after Vladimir Putin's 2022 Russian invasion of Ukraine, 2022 invasion of Ukraine, with politicians and individuals across the political spectrum supporting arms shipments to Ukraine and many large American corporations pulling out of Russia and Belarus altogether.


Geography

The List of states and territories of the United States, 48 contiguous states and the District of Columbia occupy a combined area of . Of this area, is contiguous land, composing 83.65% of total U.S. land area. About 15% is occupied by Alaska, a state in northwestern North America, with the remainder in Hawaii, a state and archipelago in the central Pacific Ocean, Pacific, and the five populated but Unincorporated area, unincorporated insular territories of
Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and unincorporated ...
,
American Samoa American Samoa ( sm, Amerika Sāmoa, ; also ' or ') is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the island country of Samoa. Its location is centered on . It is east of the International ...
,
Guam Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. It is the westernmost point and territory of the United States (reckoned from the geographic cent ...
, the Northern Mariana Islands, and the U.S. Virgin Islands. Measured by only land area, the United States is third in size behind Russia and China, and just ahead of Canada. The United States is the world's List of countries and dependencies by area, third- or fourth-largest nation by total area (land and water), ranking behind Russia and Canada and nearly equal to China. The ranking varies depending on how two territories disputed by China and India are counted, and how the total size of the United States is measured. The Atlantic coastal plain, coastal plain of the Atlantic Ocean, Atlantic seaboard gives way further inland to deciduous forests and the rolling hills of the Piedmont (United States), Piedmont. The Appalachian Mountains and the Adirondack Mountains, Adirondack massif divide the eastern seaboard from the
Great Lakes The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes in the mid-east region of North America that connect to the Atlantic Ocean via the Saint Lawrence River. There are five lak ...
and the grasslands of the Midwestern United States, Midwest. The Mississippi River, Mississippi–Missouri River, the world's List of rivers by length, fourth longest river system, runs mainly north–south through the heart of the country. The flat, fertile prairie of the Great Plains stretches to the west, interrupted by U.S. Interior Highlands, a highland region in the southeast. The Rocky Mountains, west of the Great Plains, extend north to south across the country, peaking at over in Colorado. Farther west are the rocky Great Basin and deserts such as the Chihuahuan Desert, Chihuahua, Sonoran Desert, Sonoran, and Mojave Desert, Mojave. The Sierra Nevada (U.S.), Sierra Nevada and Cascade Range, Cascade mountain ranges run close to the West Coast of the United States, Pacific coast, both ranges also reaching altitudes higher than . The Extreme points of the United States, lowest and highest points in the contiguous United States are in the state of California, and only about apart. At an elevation of , Alaska's Denali is the highest peak in the country and in North America. Active volcanoes are common throughout Alaska's Alexander Archipelago, Alexander and Aleutian Islands, and Hawaii consists of volcanic islands. The supervolcano underlying Yellowstone National Park in the Rockies is the continent's largest volcanic feature.


Climate

The United States, with its large size and geographic variety, includes most climate types. To the east of the 100th meridian west, 100th meridian, the climate ranges from humid continental climate, humid continental in the north to humid subtropical climate, humid subtropical in the south. The Great Plains west of the 100th meridian are Semi-arid climate, semi-arid. Many mountainous areas of the American West have an alpine climate. The climate is Desert climate, arid in the Great Basin, desert in the Southwest, Mediterranean climate, Mediterranean in coastal California, and oceanic climate, oceanic in coastal Oregon and Washington (state), Washington and southern Alaska. Most of Alaska is Subarctic climate, subarctic or Polar climate, polar. Hawaii and the southern tip of
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...
are Tropical climate, tropical, as well as its territories in the Caribbean and the Pacific. States bordering the
Gulf of Mexico The Gulf of Mexico ( es, Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United ...
are prone to Tropical cyclone, hurricanes, and most of the world's tornadoes occur in the country, mainly in Tornado Alley areas in the Midwest and South. Overall, the United States receives more high-impact extreme weather incidents than any other country in the world. Extreme weather has become more frequent in the U.S., with three times the number of reported heat waves as in the 1960s. Of the ten warmest years ever recorded in the 48 contiguous states, eight have occurred since 1998. In the
American Southwest The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural region of the United States that generally includes Arizona, New Mexico, and adjacent portions of California, Colorado ...
, droughts have become more persistent and more severe.


Biodiversity and conservation

The U.S. is one of 17 megadiverse countries containing large numbers of List of endangered species in North America, endemic species: about 17,000 species of vascular plants occur in the contiguous United States and Alaska, and more than 1,800 species of flowering plants are found in Hawaii, few of which occur on the mainland. The United States is home to 428 mammal species, 784 birds, 311 reptiles, and 295 amphibians, and 91,000 insect species. There are 63 List of areas in the United States National Park System, national parks and hundreds of other federally managed parks, forests, and wilderness areas, which are managed by the National Park Service. Altogether, the government owns about 28% of the country's land area, mostly in the Western United States, western states. Most of this land is protected area, protected, though some is leased for oil and gas drilling, mining, logging, or cattle ranching, and about .86% is used for military purposes. Environmental issues in the United States, Environmental issues include debates on oil and nuclear binding energy, nuclear energy, dealing with air and water pollution, the economic costs of protecting wildlife, logging and deforestation, and Climate change in the United States, climate change. The most prominent environmental agency is the United States Environmental Protection Agency, Environmental Protection Agency (EPA), created by presidential order in 1970. The idea of wilderness has shaped the management of public lands since 1964, with the Wilderness Act. The Endangered Species Act of 1973 is intended to protect threatened and endangered species and their habitats, which are monitored by the United States Fish and Wildlife Service. As of 2020, the U.S. ranked 24th among nations in the Environmental Performance Index. The country joined the Paris Agreement on climate change in 2016, and has many other environmental commitments. It United States withdrawal from the Paris Agreement, withdrew from the Paris Agreement in 2020 but rejoined it in 2021.


Government and politics

The United States is a federal republic of 50 states, a District of Columbia, federal district, Territories of the United States, five territories and several uninhabited United States Minor Outlying Islands, island possessions. It is the world's oldest surviving
federation A federation (also known as a federal state) is a political entity characterized by a union of partially self-governing provinces, states, or other regions under a central federal government ( federalism). In a federation, the self-govern ...
. It is a federal republic and a representative democracy "in which majority rule is tempered by minority rights protected by Law of the United States, law."Scheb, John M.; Scheb, John M. II (2002). ''An Introduction to the American Legal System''. Florence, KY: Delmar, p. 6. . In the American federalism, federal system, sovereignty is shared between Political divisions of the United States, two levels of government: federal and state. Citizens of the states are also governed by local governments, which are administrative divisions of the states. The territories are administrative divisions of the federal government. The Constitution of the United States, U.S. Constitution serves as the country's supreme legal document. The Constitution establishes the structure and responsibilities of the federal government and its relationship with the individual states. The Constitution has been amended 27 times; the first ten amendments (
Bill of Rights A bill of rights, sometimes called a declaration of rights or a charter of rights, is a list of the most important rights to the citizens of a country. The purpose is to protect those rights against infringement from public officials and pr ...
) and the Fourteenth Amendment to the United States Constitution, Fourteenth Amendment form the central basis of Americans' individual rights. All laws and governmental procedures are subject to judicial review, and any law can be voided if the courts determine that it violates the Constitution. The principle of judicial review, not explicitly mentioned in the Constitution, was established by the Supreme Court in ''Marbury v. Madison'' (1803). The United States has operated under a two-party system for most of its history. In American political culture, the Center-right politics, center-right Republican Party is considered "Conservatism in the United States, conservative" and the Centre-left politics, center-left Democratic Party is considered "Modern liberalism in the United States, liberal". On Transparency International's 2019 Corruption Perceptions Index, its public sector position deteriorated from a score of 76 in 2015 to 69 in 2019. In 2021, the U.S. ranked 26th on the Democracy Index, and is described as a "flawed democracy".


Federal government

The federal government comprises three branches, which are headquartered in Washington, D.C. and regulated by a system of separation of powers, checks and balances defined by the Constitution. * Legislature, Legislative: The United States Congress, bicameral Congress, made up of the United States Senate, Senate and the United States House of Representatives, House of Representatives, makes federal law, declaration of war, declares war, approves treaties, has the power of the purse, and has the power of impeachment, by which it can remove sitting members of the federal government. * Executive (government), Executive: President of the United States, The president is the commander-in-chief of the military, can veto bill (law), legislative bills before they become law (subject to congressional override), and appoints the Cabinet of the United States, members of the Cabinet (subject to Senate approval) and other officers, who administer and enforce federal laws and policies. * Judiciary, Judicial: The Supreme Court of the United States, Supreme Court and lower Federal judiciary of the United States, federal courts, whose judges are appointed by the president with Senate approval, interpret laws and overturn those they find constitutionality, unconstitutional. The lower house, the United States House of Representatives, House of Representatives, has 435 voting members, each representing a congressional district for a two-year term. House seats are United States congressional apportionment, apportioned among the states by population. Each state then draws single-member districts to conform with the census apportionment. The District of Columbia and the five major U.S. territories each have Non-voting members of the United States House of Representatives, one member of Congress—these members are not allowed to vote. The upper house, the United States Senate, Senate, has 100 members with each state having two senators, elected at-large, at large to six-year terms; one-third of Senate seats are up for election every two years. The District of Columbia and the five major U.S. territories do not have senators. The Senate is unique among upper houses in being the most prestigious and powerful portion of the country's Bicameralism, bicameral system; political scientists have frequently labeled it the "most powerful upper house" of any government. The president serves a four-year term and may be elected to the office Term limits in the United States, no more than twice. The president is United States presidential election, not elected by direct vote, but by an indirect Electoral College (United States), electoral college system in which the determining votes are apportioned to the states and the District of Columbia. The Supreme Court, led by the Chief Justice of the United States, chief justice of the United States, has nine members, who serve for life.


Political divisions

Each of the 50 states holds jurisdiction over a geographic territory, where it shares sovereignty with the federal government. They are subdivided into List of United States counties and county equivalents, counties or county equivalents, and further divided into Municipality, municipalities. The District of Columbia is a federal district that contains the capital of the United States, the Washington, D.C., city of Washington. Each state has the amount presidential electors equal to the number of their representatives plus senators in Congress, and the District of Columbia has three electors. Territories of the United States do not have presidential electors, therefore people there cannot vote for the president. Citizenship of the United States, Citizenship is granted at birth in all states, the District of Columbia, and all major U.S. territories except American Samoa. The United States observes limited Tribal sovereignty in the United States, tribal sovereignty of the American Indian nations, like states' sovereignty. American Indians are U.S. citizens and tribal lands are subject to the jurisdiction of the U.S. Congress and the federal courts. Like the states, tribes have some autonomy restrictions. They are prohibited from making war, engaging in their own foreign relations, and printing or issuing independent currency. Indian reservations are usually contained within one state, but there are 12 reservations that cross state boundaries.


Foreign relations

The United States has an established structure of foreign relations, and it had the world's second-largest diplomatic corps in 2019. It is a permanent member of the
United Nations Security Council The United Nations Security Council (UNSC) is one of the six principal organs of the United Nations (UN) and is charged with ensuring international peace and security, recommending the admission of new UN members to the General Assembly, an ...
, and home to the Headquarters of the United Nations, United Nations headquarters. The United States is also a member of the G7, G-20 major economies, G20, and OECD intergovernmental organizations. Almost all countries have List of diplomatic missions in the United States, embassies and many have consul (representative), consulates (official representatives) in the country. Likewise, nearly all nations host formal diplomatic missions with United States, except Iran–United States relations, Iran, North Korea–United States relations, North Korea, and Foreign relations of Bhutan#Other countries, Bhutan. Though Taiwan–United States relations, Taiwan does not have formal diplomatic relations with the U.S., it maintains close, if unofficial, relations. The United States also regularly supplies Taiwan with Six Assurances, military equipment. The United States has a "Special Relationship" with the United Kingdom–United States relations, United Kingdom and strong ties with Canada–United States relations, Canada, Australia–United States relations, Australia, New Zealand–United States relations, New Zealand, Philippines–United States relations, the Philippines, Japan–United States relations, Japan, South Korea–United States relations, South Korea, Israel–United States relations, Israel, and several European Union countries (France–United States relations, France, Italy–United States relations, Italy, Germany–United States relations, Germany, Spain–United States relations, Spain, and Poland–United States relations, Poland). The U.S. works closely with its
NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two No ...
allies on military and national security issues, and with nations in the Americas through the Organization of American States and the United States–Mexico–Canada Agreement, United States–Mexico–Canada Free Trade Agreement. In
South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the sout ...
, Colombia is traditionally considered to be the closest ally of the United States. The U.S. exercises full international defense authority and responsibility for Federated States of Micronesia, Micronesia, the
Marshall Islands The Marshall Islands ( mh, Ṃajeḷ), officially the Republic of the Marshall Islands ( mh, Aolepān Aorōkin Ṃajeḷ),'' () is an independent island country and microstate near the Equator in the Pacific Ocean, slightly west of the Intern ...
and Palau through the Compact of Free Association. Since the 2022 Russian invasion of Ukraine, the U.S. has become a key ally of Ukraine since
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...
Annexation of Crimea by the Russian Federation, annexed Crimea in 2014 and began an 2022 Russian invasion of Ukraine, invasion of Ukraine in 2022, significantly deteriorating relations with Russia in the process. The U.S. has also experienced a deterioration of relations with China and grown closer to Taiwan.


Military

The president is the Commander-in-Chief of the United States, commander-in-chief of the United States Armed Forces and appoints its leaders, the United States Secretary of Defense, secretary of defense and the Joint Chiefs of Staff. The United States Department of Defense, Department of Defense, which is headquartered at the Pentagon near Washington, D.C., administers five of the six service branches, which are made up of the United States Army, Army, United States Marine Corps, Marine Corps, United States Navy, Navy, United States Air Force, Air Force, and United States Space Force, Space Force. The United States Coast Guard, Coast Guard is administered by the United States Department of Homeland Security, Department of Homeland Security in peacetime and can be transferred to the United States Department of the Navy, Department of the Navy in wartime. The United States spent $649 billion on its military in 2019, 36% of global military spending. At 4.7% of GDP, the percentage was the second-highest among all countries, after Saudi Arabia. It also has Nuclear weapons of the United States, more than 40% of the world's nuclear weapons, the second-largest after Russia. In 2019, all six branches of the U.S. Armed Forces reported 1.4 million personnel on active duty. The Reserve components of the United States Armed Forces, Reserves and National Guard of the United States, National Guard brought the total number of troops to 2.3 million. The Department of Defense also employed about 700,000 civilians, not including Military-industrial complex, contractors. Military service in the United States is voluntary, although Conscription in the United States, conscription may occur in wartime through the Selective Service System. The United States has the third-largest combined armed forces in the world, behind the People's Liberation Army, Chinese People's Liberation Army and Indian Armed Forces. Today, American forces can be rapidly deployed by the Air Force's large fleet of transport aircraft, the Navy's 11 active aircraft carriers, and Marine expeditionary units at sea with the Navy, and Army's XVIII Airborne Corps and 75th Ranger Regiment deployed by Air Force transport aircraft. The Air Force can strike targets across the globe through its fleet of strategic bombers, maintains the air defense across the United States, and provides close air support to Army and Marine Corps ground forces. The Space Force operates the Global Positioning System, operates the Eastern Range, Eastern and Western Range (USSF), Western Ranges for all space launches, and operates the United States's United States Space Surveillance Network, Space Surveillance and United States national missile defense, Missile Warning networks. The military operates about 800 bases and facilities abroad, and maintains United States military deployments, deployments greater than 100 active duty personnel in 25 foreign countries.


Law enforcement and crime

There are about 18,000 U.S. police agencies from local to federal level in the United States. Law in the United States is mainly Law enforcement in the United States, enforced by local police departments and sheriff's offices. The state police provides broader services, and Federal law enforcement in the United States, federal agencies such as the Federal Bureau of Investigation (FBI) and the United States Marshals Service, U.S. Marshals Service have specialized duties, such as protecting civil rights, National Security of the United States, national security and enforcing U.S. federal courts' rulings and federal laws. State court (United States), State courts conduct most civil and criminal trials, and federal courts handle designated crimes and appeals from the state criminal courts. , the United States has an List of countries by intentional homicide rate, intentional homicide rate of 7 per 100,000 people. A cross-sectional analysis of the World Health Organization Mortality Database from 2010 showed that United States homicide rates "were 7.0 times higher than in other high-income countries, driven by a gun homicide rate that was 25.2 times higher." , the United States has the United States incarceration rate, sixth highest documented incarceration rate and Incarceration in the United States, second largest prison population in the world. In 2019, the total prison population for those sentenced to more than a year is 1,430,800, corresponding to a ratio of 419 per 100,000 residents and the lowest since 1995. Some estimates place that number higher, such Prison Policy Initiative's 2.3 million. Various states have attempted to Decarceration in the United States, reduce their prison populations via government policies and grassroots initiatives. Although most nations have abolished capital punishment, it is sanctioned in the United States for certain federal and military crimes, and in 27 states out of 50 and in one territory. Several of these states have Moratorium (law), moratoriums on carrying out the penalty, each imposed by the state's governor. Since 1977, there have been more than 1,500 executions, giving the U.S. the sixth-highest number of executions in the world, following Capital punishment in China, China, Capital punishment in Iran, Iran, Capital punishment in Saudi Arabia, Saudi Arabia, Capital punishment in Iraq, Iraq, and Capital punishment in Egypt, Egypt. However, the number is trended down nationally, with Capital punishment in the United States#States without capital punishment, several states recently abolishing the penalty.


Economy

According to the
International Monetary Fund The International Monetary Fund (IMF) is a major financial agency of the United Nations, and an international financial institution, headquartered in Washington, D.C., consisting of 190 countries. Its stated mission is "working to foster glo ...
, the U.S. gross domestic product (GDP) of $22.7 trillion constitutes 24% of the gross world product at market exchange rates and over 16% of the gross world product at purchasing power parity (PPP). From 1983 to 2008, U.S. real compounded annual GDP growth was 3.3%, compared to a 2.3% weighted average for the rest of the G7. The country ranks fifth in the world in List of countries by GDP (nominal) per capita, nominal GDP per capita and seventh in List of countries by GDP (PPP) per capita, GDP per capita at PPP. The country has been the world's largest economy since at least 1900. The United States is the most technologically powerful and Science and technology in the United States, innovative nation, especially in artificial intelligence, computers, pharmaceuticals, and medical, aerospace, and military equipment. The nation's economy is fueled by abundant natural resources, a well-developed infrastructure, and high productivity.Wright, Gavin, and Jesse Czelusta, "Resource-Based Growth Past and Present", in ''Natural Resources: Neither Curse Nor Destiny'', ed. Daniel Lederman and William Maloney (World Bank, 2007), p. 185. . It has the second-highest total-estimated value of natural resources, valued at United States dollar, US$ 44.98trillion in 2019, although sources differ on their estimates. Americans have the highest average Household income, household and List of countries by average wage, employee income among OECD member states. In 2013, they had the sixth-highest median household income, down from fourth-highest in 2010. The United States dollar, U.S. dollar is the currency most used in international trade, international transactions and is the world's foremost reserve currency, backed by its economy, its United States Armed Forces, military, the petrodollar, petrodollar system and its linked eurodollar and large U.S. Treasury, U.S. treasuries market. Several countries International use of the US dollar, use it as their official currency and in others it is the de facto currency, ''de facto'' currency.Benjamin J. Cohen, ''The Future of Money'', Princeton University Press, 2006, ; ''cf.'' "the dollar is the de facto currency in Cambodia", Charles Agar, ''Frommer's Vietnam'', 2006, , p. 17 The New York Stock Exchange and Nasdaq are the world's List of stock exchanges, largest stock exchanges by market capitalization and trade volume.Table A – Market Capitalization of the World's Top Stock Exchanges (As at end of June 2012)
Securities and Exchange Commission (China).
The List of the largest trading partners of the United States, largest U.S. trading partners are China, the European Union,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
, Mexico, India, Japan, South Korea, the United Kingdom, and Taiwan. The U.S. is the world's List of countries by imports, largest importer and the List of countries by exports, second-largest exporter. It has free trade agreements with United States free-trade agreements, several countries, including the United States–Mexico–Canada Agreement, USMCA. The U.S. ranked second in the Global Competitiveness Report in 2019, after Singapore. Of the world's Fortune Global 500, 500 largest companies, 124 are headquartered in the U.S. While its economy has reached a post-industrial society, post-industrial level of development, the United States remains an industrial power. It has a smaller welfare state and redistributes less income through government action than most other World Bank high-income economy, high-income countries. The United States ranked the 41st highest in income inequality among 156 countries in 2017, and the highest compared to the rest of the developed world. As of January 1, 2023, the United States had a national debt of $31.4 trillion.


Income and poverty

At $46,625 USD in 2021, American citizens have the highest median income in the world. Despite the fact that they only account for 4.24% of the World population, global population, they collectively List of countries by total wealth, possess 30.2% of the world's total wealth as of 2021, the largest percentage of any country. The U.S. also ranks first in the number of dollar billionaires and millionaires in the world, with 724 billionaires (as of 2021) and nearly 22 million millionaires (2021). Wealth in the United States is Wealth inequality in the United States, highly concentrated; the richest 10% of the adult population own 72% of the country's household wealth, while the bottom 50% own just 2%. Income inequality in the United States, Income inequality in the U.S. remains at record highs, with the top fifth of earners taking home more than half of all income and giving the U.S. one of the widest income distributions among OECD members. The United States is the only advanced economy that does not List of statutory minimum employment leave by country, guarantee its workers paid vacation and is one of a few countries in the world without paid family leave as a legal right. The United States also has a higher percentage of low-income workers than almost any other developed nation, largely because of a weak collective bargaining system and lack of government support for at-risk workers. There were about 567,715 sheltered and unsheltered Homelessness in the United States, homeless persons in the U.S. in January 2019, with almost two-thirds staying in an emergency shelter or transitional housing program. Attempts to combat homelessness include the Section 8 (housing), Section 8 housing voucher program and implementation of the Housing First strategy across all levels of government. In 2011, Hunger in the United States#Children, 16.7 million children lived in food-insecure households, about 35% more than 2007 levels, though only 845,000 U.S. children (1.1%) saw reduced food intake or disrupted eating patterns at some point during the year, and most cases were not chronic. 40 million people, roughly 12.7% of the U.S. population, were living in poverty, including 13.3 million children. Of those impoverished, 18.5 million live in "deep poverty", family income below one-half of the federal government's poverty threshold.


Science, technology, and energy

The United States has been a leader in technological innovation since the late 19th century and scientific research since the mid-20th century. Methods for producing interchangeable parts and the establishment of a machine tool industry enabled the American system of manufacturing, U.S. to have large-scale manufacturing of sewing machines, bicycles, and other items in the late 19th century. In the early 20th century, factory electrification, the introduction of the assembly line, and other labor-saving techniques created the system of mass production. In the 21st century, approximately two-thirds of research and development funding comes from the private sector. In 2020, the United States was the country with the List of countries by number of scientific and technical journal articles, second-highest number of published scientific papers and second most patents granted, both after China. In 2021, the United States launched a total of 51 spaceflights. (China reported 55.) The U.S. had 2,944 active satellites in space in December 2021, the highest number of any country. In 1876, Alexander Graham Bell was awarded the first U.S. Invention of the telephone, patent for the telephone. Thomas Edison's Research institute, research laboratory developed the phonograph, the first Incandescent light bulb, long-lasting light bulb, and the first viable Kinetoscope, movie camera. The Wright brothers in 1903 made the Wright Flyer, first sustained and controlled heavier-than-air powered flight, and the automobile companies of Ransom E. Olds and Henry Ford popularized the assembly line in the early 20th century. The rise of fascism and Nazism in the 1920s and 30s led many European scientists, such as Albert Einstein, Enrico Fermi, and John von Neumann, to immigrate to the United States. During World War II, the Manhattan Project developed nuclear weapons, ushering in the Atomic Age. During the Cold War, competition for superior missile capability ushered in the
Space Race The Space Race was a 20th-century competition between two Cold War rivals, the United States and the Soviet Union, to achieve superior spaceflight capability. It had its origins in the ballistic missile-based nuclear arms race between the t ...
between the U.S. and Soviet Union. The invention of the transistor in the 1950s, a key component in almost all modern electronics, led to the development of microprocessors, software, personal computers and the Internet. In 2022, the United States ranked 2nd in the Global Innovation Index. , the United States receives approximately 80% of its energy from fossil fuels. In 2019, the largest source of the country's energy came from petroleum (36.6%), followed by natural gas (32%), coal (11.4%), renewable sources (11.4%) and nuclear power (8.4%). Americans constitute less than 5% of the world population, world's population, but consume 17% of the Energy use in the United States, world's energy. They account for about 25% of the world's Oil consumption, petroleum consumption, while producing only 6% of the world's annual petroleum supply. The U.S. ranks as second-highest emitter of greenhouse gases, exceeded only by China.


Transportation

The United States's Rail transport in the United States, rail network, nearly all Standard-gauge railway, standard gauge, is the List of countries by rail transport network size, longest in the world, and exceeds . It handles mostly freight, with intercity passenger service provided by Amtrak to all but four states. The country's Inland waterways of the United States, inland waterways are the world's List of countries by waterways length, fifth-longest, and total . Personal transportation is dominated by automobiles, which operate on a network of of public roads. The United States has the world's second-largest automobile market, and has the highest vehicle ownership per capita in the world, with 816.4 vehicles per 1,000 Americans (2014). In 2017, there were 255 million non-two wheel motor vehicles, or about 910 vehicles per 1,000 people. The List of airlines of the United States, civil airline industry is entirely privately owned and has been largely Airline Deregulation Act, deregulated since 1978, while List of airports in the United States, most major airports are publicly owned. The three largest airlines in the world by passengers carried are U.S.-based; American Airlines is number one after its 2013 acquisition by US Airways. Of the List of the world's busiest airports by passenger traffic, world's 50 busiest passenger airports, 16 are in the United States, including the busiest, Hartsfield–Jackson Atlanta International Airport. Of the List of busiest container ports, fifty busiest container ports, four are located in the United States, of which the busiest is the Port of Los Angeles.


Demographics


Population

The United States Census Bureau, U.S. Census Bureau reported 331,449,281 residents as of April 1, 2020, making the United States the third most populous nation in the world, after China and India. According to the Bureau's U.S. and World Population Clock, U.S. Population Clock, on January 28, 2021, the U.S. population had a net gain of one person every 100 seconds, or about 864 people per day. In 2018, 52% of Americans age 15 and over were married, 6% were widowed, 10% were divorced, and 32% had never been married. In 2020, the U.S. had a total fertility rate stood at 1.64 children per woman and the world's highest rate (23%) of children living in Single parents in the United States, single-parent households. The United States of America has a diverse population; 37 American ancestries, ancestry groups have more than one million members. White Americans with ancestry from Europe, the Middle East or North Africa, form the largest race (human classification), racial and ethnic group at 57.8% of the United States population. Hispanic and Latino Americans form the second-largest group and are 18.7% of the United States population. African Americans constitute the nation's third-largest ancestry group and are 12.1% of the total United States population. Asian Americans are the country's fourth-largest group, composing 5.9% of the United States population, while the country's 3.7 million Native Americans account for about 1%. In 2020, the median age of the United States population was 38.5 years. In 2018, there were almost 90 million immigrants and Second-generation immigrants in the United States, U.S.-born children of immigrants in the United States, accounting for 28% of the overall U.S. population. In 2017, out of the U.S. foreign-born population, some 45% (20.7 million) were naturalized citizens, 27% (12.3 million) were lawful permanent residents, 6% (2.2 million) were temporary lawful residents, and 23% (10.5 million) were unauthorized immigrants. The United States led the world in refugee resettlement for decades, admitting more refugees than the rest of the world combined.


Language

English (specifically, American English) is the de facto national language of the United States. Although there is no official language at the federal level, some laws—such as Naturalized citizen of the United States, U.S. naturalization requirements—standardize English, and most states have declared English as the official language. Three states and four U.S. territories have recognized local or indigenous languages in addition to English, including Hawaii (Hawaiian language, Hawaiian), Alaska (Alaska Native languages, twenty Native languages), South Dakota (Sioux language, Sioux), American Samoa (Samoan language, Samoan), Puerto Rico (Spanish language, Spanish), Guam (Chamorro language, Chamorro), and the Northern Mariana Islands (Carolinian language, Carolinian and Chamorro). In Puerto Rico, Spanish is more widely spoken than English. According to the American Community Survey, in 2010 some 229 million people (out of the total U.S. population of 308 million) spoke only English at home. More than 37 million spoke Spanish language in the United States, Spanish at home, making it the second most commonly used language in the United States. Other languages spoken at home by one million people or more include Chinese language, Chinese (2.8 million), Tagalog language, Tagalog (1.6 million), Vietnamese language, Vietnamese (1.4 million), French language, French (1.3 million), Korean language, Korean (1.1 million), and German language, German (1 million). The List of most commonly learned foreign languages in the United States, most widely taught foreign languages in the United States, in terms of enrollment numbers from kindergarten through university undergraduate education, are Spanish (around 7.2 million students), French (1.5 million), and German language in the United States, German (500,000). Other commonly taught languages include Latin, Japanese language education in the United States, Japanese, American Sign Language, Italian language in the United States, Italian, and Chinese language in the United States, Chinese.


Religion

A large variety of faiths have historically flourished within the country. According to the World Values Survey in 2017, the United States is more Secularity, secular than the median country; they ranked the United States the 32nd least religious country in the world. Until the 1990s, the country was a substantial outlier among other Developed country, highly developed countries: uniquely Wealth and religion, combining a high level of religiosity and wealth, although this has lessened significantly since then. Studies during the early 2020s found that about 81% of Americans believe in some conception of God, 45% report Prayer, praying on a daily basis, 41% report that religion plays a very important role in their lives, and 31% report attending religious services weekly or near weekly. According to ''Gallup, Inc., Gallup'' in December 2022, 58% of Americans report "seldom" or "never" attending religious services. According to the ''Institute for Family Studies'' in 2022, around 28% of Americans attended at least once or twice a month''.'' In a 2020 survey, about 64% of adults in the United States identified themselves as Christianity in the United States, Christians making it the country with the Christianity by country, largest Christian population. Protestantism in the United States, Protestantism is the largest Christian religious grouping in the United States, accounting for around a third of all Americans. In the so-called Bible Belt, located primarily within the Southern United States, socially conservative evangelical Protestantism plays a significant role culturally. By contrast, religion plays the least important role in New England and the Western United States. Another 6% claimed a non-Christian faith; the largest of which are American Jews, Judaism, Islam in the United States, Islam, Hinduism in the United States, Hinduism, and Buddhism in the United States, Buddhism. Around 30% of Americans describe themselves as having irreligion, no religion. Membership in a house of worship fell from 70% in 1999 to 47% in 2020, much of the decline related to the number of Americans expressing no religious preference. Membership also fell among those who identified with a specific religious group. According to ''Gallup'', trust in "the church or organized religion" has declined significantly since the 1970s. The First Amendment to the United States Constitution, First Amendment of the U.S. Constitution guarantees the Free Exercise Clause, free exercise of religion and forbids Congress from passing laws respecting its Establishment Clause, establishment.


Urbanization

About 82% of Americans live in United States urban area, urban areas, including suburbs; about half of those reside in cities with populations over 50,000. In 2008, 273 List of United States cities by population, incorporated municipalities had populations over 100,000, nine cities had more than one million residents, and four cities (
New York City New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the most densely populated major city in the Un ...
, Los Angeles, Chicago, and Houston) had populations exceeding two million. Many U.S. metropolitan populations are growing rapidly, particularly in the South and West.


Education

American state school, public education is operated by state and local governments and regulated by the United States Department of Education through restrictions on federal grants. In most states, children are required to attend school from the age of five or six (beginning with kindergarten or first grade) until they turn 18 (generally bringing them through twelfth grade, the end of high school); some states allow students to leave school at 16 or 17. Of Americans 25 and older, 84.6% graduated from high school, 52.6% attended some college, 27.2% earned a bachelor's degree, and 9.6% earned graduate degrees. The basic literacy rate is approximately 99%. The United States has many private and public Lists of American institutions of higher education, institutions of higher education. The majority of the world's top Public university, public and Private university, private universities, as listed by various ranking organizations, are in the United States. There are also local community colleges with generally more open admission policies, shorter academic programs, and lower tuition. The U.S. spends more on education per student than any nation in the world, spending an average of $12,794 per year on public elementary and secondary school students in the 2016–2017 school year. As for public expenditures on higher education, the U.S. spends more per student than the Organisation for Economic Co-operation and Development, OECD average, and more than all nations in combined public and private spending. Despite some student loan forgiveness programs in place, Student debt, student loan debt has increased by 102% in the last decade, and exceeded 1.7 trillion dollars as of 2022.


Health

In a preliminary report, the Centers for Disease Control and Prevention (CDC) announced that U.S. life expectancy at birth had dropped to 76.4 years in 2021 (73.2 years for men and 79.1 years for women), down 0.9 years from 2020. This was the second year of overall decline, and the chief causes listed were the COVID-19 pandemic, accidents, drug overdoses, heart and liver disease, and suicides. Life expectancy was highest among Asians and Hispanics and lowest among Blacks and American Indian–Alaskan Native (AIAN (U.S. Census), AIAN) peoples. Starting in 1998, the average life expectancy in the U.S. fell behind that of other wealthy industrialized countries, and Americans' "health disadvantage" gap has been increasing ever since. The U.S. also has one of the highest Suicide in the United States, suicide rates among high-income countries, and approximately one-third of the U.S. adult population is obese and another third is overweight. In 2010, coronary artery disease, lung cancer, stroke, chronic obstructive pulmonary diseases, and traffic collisions caused the most years of life lost in the U.S. Low back pain, major depressive disorder, depression, musculoskeletal disorders, neck pain, and anxiety caused the most years lost to disability. The most harmful risk factors were poor diet, tobacco smoking, obesity, Hypertension, high blood pressure, Hyperglycemia, high blood sugar, physical inactivity, and Alcohol consumption and health, alcohol consumption. Alzheimer's disease, substance use disorders, kidney disease, cancer, and falls caused the most additional years of life lost over their age-adjusted 1990 per-capita rates. Teenage pregnancy in the United States, Teenage pregnancy and Abortion in the United States, abortion rates in the U.S. are substantially higher than in other Western nations, especially among blacks and Hispanics. The U.S. health care system far List of countries by total health expenditure (PPP) per capita, outspends that of any other nation, measured both in per capita spending and as a percentage of GDP but attains worse healthcare outcomes when compared to peer nations. The United States is the only developed nation Healthcare reform in the United States, without a system of universal health care, and a Health insurance coverage in the United States, significant proportion of the population that does not carry health insurance. The U.S., however, is a global leader in medical innovation, measured either in terms of revenue or the number of new drugs and devices introduced.Stats from 2007 Europ.Fed.of Pharm.Indust.and Assoc. Retrieved June 17, 2009, fro

/ref> Government-funded health care coverage for the poor (Medicaid, established in 1965) and for those age 65 and older (Medicare (United States), Medicare, begun in 1966) is available to Americans who meet the programs' income or age qualifications. In 2010, former President Obama passed the Patient Protection and Affordable Care Act or ACA, which the CDC said that the law roughly halved the uninsured share of the population and multiple studies have concluded that ACA had reduced the mortality of enrollees. However, its legacy Criticism of Obamacare, remains controversial.


Culture and society

Americans have traditionally Stereotypes of Americans, been characterized by a strong work ethic, competitiveness, and individualism, as well as a unifying belief in an "American civil religion, American creed" emphasizing liberty, social equality, property rights, democracy, equality under the law, and a preference for limited government. Americans are extremely charitable by global standards: according to a 2016 study by the Charities Aid Foundation, Americans donated 1.44% of total GDP to charity, the List of countries by charitable donation, highest in the world by a large margin. The United States is home to a Multiculturalism, wide variety of ethnic groups, traditions, and values, and exerts major cultural influence Americanization, on a global scale. The country has been described as a society "built on a Moral universalism, universalistic cultural frame rooted in the natural laws of science and human rights." The
Declaration of Independence A declaration of independence or declaration of statehood or proclamation of independence is an assertion by a polity in a defined territory that it is independent and constitutes a state. Such places are usually declared from part or all of th ...
has become a well-known statement on human rights, particularly its second sentence: "We hold these truths to be self-evident, that all men are created equal, that they are endowed by Higher Power, their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness." Stephen Lucas called it "one of the best-known sentences in the English language", with historian Joseph Ellis writing that the document contains "the most potent and consequential words in American history". The passage has since came to represent a moral standard to which the United States should strive. This view was notably promoted by Lincoln, who considered it to be the foundation of his political philosophy and argued that it is a statement of principles through which the Constitution should be interpreted. Aside from the Native American, Native Hawaiians, Native Hawaiian, and Alaska Natives, Native Alaskan populations, nearly all Americans or their ancestors immigrated or were imported as slaves within the past five centuries. wikt:mainstream, Mainstream American culture is a Western culture largely derived from the European American, traditions of European immigrants with influences from many other sources, such as African-American culture, traditions brought by slaves from Africa. More recent immigration from Asian American, Asia and especially Latin American culture, Latin America has added to a cultural mix that has been described as a homogenizing melting pot, and a heterogeneous salad bowl (cultural idea), salad bowl, with immigrants contributing to, and often Assimilation (phonology), assimilating into, mainstream American culture. Nevertheless, there is a high degree of social inequality related to Racial inequality in the United States, race and Wealth inequality in the United States, wealth. The American Dream, or the perception that Americans enjoy high Socio-economic mobility in the United States, social mobility, plays a key role in attracting immigrants. Whether this perception is accurate has been a topic of debate.* * * * While mainstream culture holds that the United States is a classless society, scholars identify significant differences between Social class in the United States, the country's social classes, affecting socialization, language, and values. Americans tend to greatly value socioeconomics, socioeconomic achievement, but being Average Joe, ordinary or average is promoted by some as a noble condition. In the modern day, the country is considered to have Permissive society, permissive attitudes surrounding human sexuality. LGBT rights in the United States are among the most socially, culturally, and legally permissive and advanced in the world, with Public opinion of same-sex marriage in the United States, public opinion and jurisprudence on the issue changing significantly since the late 1980s. A late 2022 ''Grinnell College National Poll'' found that 74% of Americans agree that same-sex marriage should be a guaranteed right while 13% disagree.


Literature and visual arts

In the 18th and early 19th centuries, American art and literature took most of their cues from Europe, contributing to Western culture. Writers such as Washington Irving, Nathaniel Hawthorne, Edgar Allan Poe, and Henry David Thoreau established a distinctive American literary voice by the middle of the 19th century. Mark Twain and poet Walt Whitman were major figures in the century's second half; Emily Dickinson, virtually unknown during her lifetime, is recognized as an essential American poet. A work seen as capturing fundamental aspects of the national experience and character—such as Herman Melville's ''Moby-Dick'' (1851), Twain's ''Adventures of Huckleberry Finn, The Adventures of Huckleberry Finn'' (1885), F. Scott Fitzgerald's ''The Great Gatsby'' (1925) and Harper Lee's ''To Kill a Mockingbird'' (1960)—may be dubbed the "Great American Novel." Thirteen U.S. citizens have won the Nobel Prize in Literature. William Faulkner, Ernest Hemingway and John Steinbeck are often named among the most influential writers of the 20th century. The Beat Generation writers opened up new literary approaches, as have postmodern literature, postmodernist authors such as John Barth, Thomas Pynchon, and Don DeLillo. In the visual arts, the Hudson River School was a mid-19th-century movement in the tradition of European Realism (arts), naturalism. The 1913 Armory Show in New York City, an exhibition of European modern art, modernist art, shocked the public and transformed the U.S. art scene. Georgia O'Keeffe, Marsden Hartley, and others experimented with new, individualistic styles. Major artistic movements such as the abstract expressionism of Jackson Pollock and Willem de Kooning and the pop art of Andy Warhol and Roy Lichtenstein developed largely in the United States. The tide of modernism and then postmodernism has brought fame to American architects such as Frank Lloyd Wright, Philip Johnson, and Frank Gehry. Americans have long been important in the modern artistic medium of photography, with major photographers including Alfred Stieglitz, Edward Steichen, Edward Weston, and Ansel Adams.


Cinema and theater

Hollywood, Los Angeles, Hollywood, a northern district of Los Angeles, California, is the leader in motion picture production and the most recognizable movie industry in the world. The major film studios of the United States are the primary source of the List of highest grossing films, most commercially successful and most ticket selling movies in the world. The world's first commercial motion picture exhibition was given in New York City in 1894, using the Kinetoscope. Since the early 20th century, the U.S. film industry has largely been based in and around Hollywood, although in the 21st century an increasing number of films are not made there, and film companies have been subject to the forces of globalization. The Academy Awards, popularly known as the Oscars, have been held annually by the Academy of Motion Picture Arts and Sciences since 1929, and the Golden Globe Awards have been held annually since January 1944. Director D. W. Griffith, an American filmmaker during the silent film period, was central to the development of film grammar, and producer/entrepreneur Walt Disney was a leader in both animation, animated film and movie merchandising. Directors such as John Ford redefined the image of the American Old West, and, like others such as John Huston, broadened the possibilities of cinema with location shooting. The industry enjoyed its golden years, in what is commonly referred to as the "Classical Hollywood cinema, Golden Age of Hollywood", from the early sound period until the early 1960s, with screen actors such as John Wayne and Marilyn Monroe becoming iconic figures. In the 1970s, "New Hollywood" or the "Hollywood Renaissance" was defined by grittier films influenced by French and Italian realist pictures of the Aftermath of World War II, post-war period. Theater in the United States derives from the old European theatrical tradition and has been heavily influenced by the Theatre of the United Kingdom, British theater. The central hub of the American theater scene has been Manhattan, with its divisions of Broadway theatre, Broadway, off-Broadway, and off-off-Broadway. Many movie and television stars have gotten their big break working in New York productions. Outside New York City, many cities have professional Regional theater in the United States, regional or resident theater companies that produce their own seasons, with some works being produced regionally with hopes of eventually moving to New York. The biggest-budget theatrical productions are musical theatre, musicals. U.S. theater also has an active community theater culture, which relies mainly on local volunteers who may not be actively pursuing a theatrical career.


Music

American folk music encompasses numerous music genres, variously known as traditional music, traditional folk music, contemporary folk music, or roots music. Many traditional songs have been sung within the same family or folk group for generations, and sometimes trace back to such origins as the British Isles, Mainland Europe, or Africa."Folk Music and Song", American Folklife Center, Library of Congress
/ref> Among America's earliest composers was a man named William Billings who, born in Boston, composed patriotic hymns in the 1770s; Billings was a part of the Yankee tunesmiths, First New England School, who dominated American music during its earliest stages. Anthony Heinrich was the most prominent composer before the Civil War. From the mid- to late 1800s, John Philip Sousa of the late Romantic music, Romantic era composed numerous military songs—List of marches by John Philip Sousa, particularly marches—and is regarded as one of America's greatest composers. The rhythmic and lyrical styles of African-American music have significantly influenced Music of the United States, American music at large, distinguishing it from European and African traditions. Elements from folk idioms such as the blues and what is known as old-time music were adopted and transformed into popular music, popular genres with global audiences. Jazz was developed by innovators such as Louis Armstrong and Duke Ellington early in the 20th century. Country music developed in the 1920s, and rhythm and blues in the 1940s. Elvis Presley and Chuck Berry were among the pioneers of rock and roll in the mid-1950s. Rock bands such as Metallica, the Eagles (band), Eagles, and Aerosmith are among the List of best-selling music artists, highest grossing in worldwide sales. In the 1960s, Bob Dylan emerged from the American folk music revival, folk revival to become one of America's most celebrated songwriters. Mid-20th-century American pop stars such as Bing Crosby, Frank Sinatra, and Elvis Presley became global celebrities, as have artists of the late 20th century such as Prince (musician), Prince, Michael Jackson, Madonna, Whitney Houston, and Mariah Carey.


Mass media

The four major broadcasters in the U.S. are the National Broadcasting Company (NBC), Columbia Broadcasting System (CBS), American Broadcasting Company (ABC), and Fox Broadcasting Company (FOX). The four major broadcast television networks are all commercial entities. Cable television in the United States, Cable television offers hundreds of channels catering to a variety of niches. , about 83% of Americans over age 12 listen to radio broadcasting, broadcast radio, while about 41% listen to podcasts. , there are 15,433 licensed full-power radio stations in the U.S. according to the U.S. Federal Communications Commission (FCC). Much of the public radio broadcasting is supplied by NPR, incorporated in February 1970 under the Public Broadcasting Act of 1967. Well-known U.S. newspapers include ''The Wall Street Journal'', ''The New York Times'', and ''USA Today''. More than 800 publications are produced in Spanish, the second most commonly used language in the United States behind English. With very few exceptions, all the newspapers in the U.S. are privately owned, either by large chains such as Gannett Company, Gannett or The McClatchy Company, McClatchy, which own dozens or even hundreds of newspapers; by small chains that own a handful of papers; or, in a situation that is increasingly rare, by individuals or families. Major cities often have alternative newspapers to complement the mainstream daily papers, such as New York City's ''The Village Voice'' or Los Angeles' ''LA Weekly''. The five most popular websites used in the U.S. are Google, YouTube, Amazon (company), Amazon, Yahoo, and Facebook. The Video games in the United States, American video game industry is the world's 2nd largest by revenue. It generated $90 billion in annual economic output in 2020. Furthermore, the video game industry contributed $12.6 billion in federal, state, and municipal taxes annually. Some of the largest video game companies like Activision Blizzard, Xbox, Sony Interactive Entertainment, Rockstar Games, and Electronic Arts are based in the United States. Some of the most popular and best selling video games like The Elder Scrolls V: Skyrim, Call of Duty: Modern Warfare (2019 video game), Call of Duty: Modern Warfare and Diablo III are made by American Video game developer, developers. The American video gaming business is still a significant employer. More than 143,000 individuals are employed directly and indirectly by video game companies throughout 50 states. The national compensation for direct workers is US$2.9 billion, or an average wage of US$121,000.


Food

Early settlers were introduced by Native Americans to such indigenous, non-European foods as turkey, sweet potatoes, corn,
squash Squash may refer to: Sports * Squash (sport), the high-speed racquet sport also known as squash racquets * Squash (professional wrestling), an extremely one-sided match in professional wrestling * Squash tennis, a game similar to squash but pla ...
, and maple syrup. They and later immigrants combined these with foods they had known, such as wheat flour, beef, and milk to create a distinctive American cuisine. Homegrown foods are part of a shared national menu on one of America's most popular holidays, Thanksgiving (United States), Thanksgiving, when many Americans make or purchase traditional foods to celebrate the occasion. The American fast food industry, the world's largest, pioneered the drive-through format in the 1940s. Characteristic American dishes such as apple pie, fried chicken, doughnuts, french fries, macaroni and cheese, ice cream, pizza, hamburgers, and hot dogs derive from the recipes of various immigrants. Mexican cuisine, Mexican dishes such as burritos and tacos and pasta dishes freely adapted from Italian cuisine, Italian sources are widely consumed. Americans drink three times as much coffee as tea. Marketing by U.S. industries is largely responsible for making orange juice and milk standard List of breakfast drinks, breakfast beverages.


Sports

The most popular sports in the U.S. are American football, basketball, baseball and ice hockey. While most major U.S. sports such as baseball and American football have evolved out of European practices, basketball, volleyball, skateboarding, and snowboarding are American inventions, some of which have become popular worldwide. Lacrosse and surfing arose from Native American and Native Hawaiian activities that predate European contact.Liss, Howard. ''Lacrosse'' (Funk & Wagnalls, 1970) pg 13. The market for professional sports in the United States is roughly $69 billion, roughly 50% larger than that of all of Europe, the Middle East, and Africa combined. American football is by several measures the most popular spectator sport in the United States; the National Football League (NFL) has the highest average attendance of any sports league in the world, and the Super Bowl is watched by tens of millions globally. Baseball has been regarded as the U.S. national sport since the late 19th century, with Major League Baseball being the top league. Basketball and ice hockey are the country's next two most popular professional team sports, with the top leagues being the National Basketball Association and the National Hockey League. The most-watched individual sports in the U.S. are golf and auto racing, particularly NASCAR and IndyCar. Eight Olympic Games have taken place in the United States. The 1904 Summer Olympics in St. Louis, Missouri, were the first-ever Olympic Games held outside of Europe. The Olympic Games will be held in the U.S. for a ninth time when Los Angeles hosts the 2028 Summer Olympics. , the United States has won 2,629 medals at the Summer Olympic Games, more than any other country, and 330 in the Winter Olympic Games, the second most behind Norway. In Association football, soccer, the United States men's national soccer team, men's national soccer team qualified for United States at the FIFA World Cup, eleven World Cups and the United States women's national soccer team, women's team has United States at the FIFA Women's World Cup, won the FIFA Women's World Cup four times. The United States hosted the 1994 FIFA World Cup and will host the 2026 FIFA World Cup along with
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
and Mexico. On the collegiate athletics, collegiate level, earnings for the member institutions exceed $1 billion annually,Sports Illustrated: NCAA Reports $1.1 Billion in Revenues
/ref> and college football and College basketball, basketball attract large audiences, as the NCAA Division I men's basketball tournament, NCAA Final Four is one of the most watched sporting events.


See also

* Index of United States–related articles * Lists of U.S. state topics * Outline of the United States


Notes


References


Further reading

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External links


United States
''The World Factbook''. Central Intelligence Agency.
United States
from the BBC News
Key Development Forecasts for the United States
from International Futures ; Government
Official U.S. Government Web Portal
Gateway to government sites
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Official site of the United States House of Representatives
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Official site of the president of the United States * [ Supreme Court] Official site of the Supreme Court of the United States ; History
Historical Documents
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Analysis by the Ontario Consultants on Religious Tolerance

Collected links to historical data ; Maps
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Official maps from the U.S. Department of the Interior * *
Measure of America
A variety of mapped information relating to health, education, income, and demographics for the U.S. ; Photos
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{{Coord, 40, -100, dim:10000000_region:region:US_type:country, name=United States of America, display=title United States Countries in North America English-speaking countries and territories Federal constitutional republics Former British colonies and protectorates in the Americas Former confederations G20 nations Member states of NATO Member states of the United Nations States and territories established in 1776 Transcontinental countries