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The history of homeland security in the United States covers specific issues and programs designed to protect the United States from foreign enemies or domestic terrorism. It also includes public attitudes regarding specific fears. Coverage is from the colonial period to the present.


Coastal Defense 1800-1945

The defense of its coasts was a major concern from 1776 onward. Prior 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 ...
many coastal fortifications already dotted the Atlantic coast, as protection from pirate raids and French incursions. The Revolutionary War led to the construction of many additional fortifications, mostly comprising simple earthworks erected to meet specific threats. With Europe at war during 1793-1815, a new national program of fortification building was begun under the leadership of Alexander Hamilton and a Navy was built up by President John Adams. After 1801 President Thomas Jefferson minimized the Navy and set up the Second System to protect major ports by the use of small inexpensive gunboats manned by unpaid volunteers. The gunboats proved inadequate when facing the Royal Navy in the War of 1812. In the Third System set up in 1816, the
Presidency of James Madison The presidency of James Madison began on March 4, 1809, when James Madison was inaugurated as President of the United States, and ended on March 4, 1817. Madison, the fourth United States president, took office after defeating Federalist Charles ...
and the
Presidency of James Monroe The presidency of James Monroe began on March 4, 1817, when James Monroe was inaugurated as President of the United States, and ended on March 4, 1825. Monroe, the fifth United States president, took office after winning the 1816 presidential el ...
requested, and Congress funded, a defensive system along Atlantic harbors. It featured cast-iron, muzzle-loading cannon protected by masonry, and supported by a modern navy. Britain so fully dominated the world naval situation that peace prevailed and the system was never needed. By the 1860s advances in steel armour and heavy guns rendered masonry forts obsolete. New steamships and
ironclad warship An ironclad is a steam-propelled warship protected by iron or steel armor plates, constructed from 1859 to the early 1890s. The ironclad was developed as a result of the vulnerability of wooden warships to explosive or incendiary shells. Th ...
s could overcome Third System defenses. In 1885 President
Grover Cleveland Stephen Grover Cleveland (March 18, 1837June 24, 1908) was an American lawyer and politician who served as the 22nd and 24th president of the United States from 1885 to 1889 and from 1893 to 1897. Cleveland is the only president in American ...
appointed the
Endicott Board Several boards have been appointed by US presidents or Congress to evaluate the US defensive fortifications, primarily coastal defenses near strategically important harbors on the US shores, its territories, and its protectorates. Endicott Board ...
, whose recommendations led to a large-scale modernization program of harbor and coastal defenses. It emphasized well dispersed, open topped reinforced concrete emplacements protected by sloped earthworks. Many of these featured disappearing guns, which sat protected behind the walls, but could be raised to fire. Underwater mine fields were a critical component of the defense, and smaller guns were also employed to protect the mine fields from minesweeping vessels. Defenses of a given harbor were initially designated artillery districts, redesignated as coast defense commands in 1913 and as harbor defense commands in 1924. In 1901 the Artillery Corps was divided into field artillery and coast artillery units, and in 1907 the
United States Army Coast Artillery Corps The U.S. Army Coast Artillery Corps (CAC) was an administrative corps responsible for coastal, harbor, and anti-aircraft defense of the United States and its possessions between 1901 and 1950. The CAC also operated heavy and railway artillery ...
was created to operate these defenses. By 1917 the rapid development of military aviation rendered these open topped emplacements vulnerable to air attack. Therefore, the next, and last, generation of coastal artillery was mounted under thick concrete shields covered with vegetation to make them virtually invisible from above. The US Army adopted the French 155-millimeter Grande Puissance Filloux heavy field gun in 1917. Until 1944 it was the weapon of choice in coastal defense, with the circular or semicircular Panama mount. In anticipation of a conflict with Japan, most of the limited funds available between 1933 and 1938 were spent on the Pacific coast. In 1939–40 the threat of war in Europe prompted larger appropriations and the resumption of work along the Atlantic coast. Under a major program developed in the wake of the Fall of France in 1940, a near-total replacement of previous coast defenses was implemented, centered on 16-inch guns in new casemated batteries. These were supplemented by 6-inch and 90 mm guns, also in new installations.


Coast Guard

The
United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mu ...
was created by Treasury Secretary Alexander Hamilton in 1790 when Congress authorized the construction of 10 vessels to enforce tariffs and prevent smuggling. This fleet was originally known as the Revenue Marine and later as the Revenue Cutter Service. In 1822, the Revenue Marine was merged with the Life-Saving Service, which was responsible for rescuing shipwreck victims, to form the modern Coast Guard. The service was later transferred to the Department of the Treasury before becoming part of the Department of Transportation in 1967 and eventually the Department of Homeland Security in 2003. Prior to 1900, the Coast Guard primarily focused on enforcing tariffs, preventing smuggling, and rescuing shipwreck victims. In June 1942 during World War II a Coast Guard patrol of the beach in
Amagansett, New York Amagansett is a census-designated place that roughly corresponds to the hamlet by the same name in the Town of East Hampton in Suffolk County, New York, United States, on the South Shore of Long Island. As of the 2010 United States Census, ...
, discovered the landing of German saboteurs in
Operation Pastorius Operation Pastorius was a failed German intelligence plan for sabotage inside the United States during World War II. The operation was staged in June, 1942 and was to be directed against strategic American economic targets. The operation was n ...
. The 8-man sabotage team was soon captured and executed.


Anti-Masonic fears, 1820s-1830s

The Freemasons are a secret fraternal group that originated in Europe and became popular in elite circles in the United States in the late 18th and early 19th centuries. Members are sworn to secrecy about who belongs and what they do. In the U.S., popular fears emerged that the aim of Freemasonry was "to overthrow the established religion and government in every country in the world". In 1826, William Morgan disappeared from the small town of Batavia, New York. Rumors spread that he had been kidnapped by Freemasons and murdered after threatening to expose Freemasonry's secrets by publishing its rituals. Morgan's disappearance sparked a series of protests and suspicion against Freemasonry, which eventually spread to the political realm.
Andrew Jackson Andrew Jackson (March 15, 1767 – June 8, 1845) was an American lawyer, planter, general, and statesman who served as the seventh president of the United States from 1829 to 1837. Before being elected to the presidency, he gained fame as ...
a highly controversial politician was a Mason and one of his enemies
Thurlow Weed Edward Thurlow Weed (November 15, 1797 – November 22, 1882) was a printer, New York newspaper publisher, and Whig and Republican politician. He was the principal political advisor to prominent New York politician William H. Seward and was i ...
set up a movement that became the Anti-Masonic Party. This political Party ran presidential candidates in 1828 and 1832, and elected local and state officials. They elected William A. Palmer governor of Vermont and
Joseph Ritner Joseph Ritner (March 25, 1780 – October 16, 1869) was the eighth Governor of the commonwealth of Pennsylvania, and was a member of the Anti-Masonic Party. Elected Governor of Pennsylvania during the 1835 Pennsylvania gubernatorial election, h ...
governor of Pennsylvania. By 1835 the party had disbanded everywhere except Pennsylvania., but
John Quincy Adams John Quincy Adams (; July 11, 1767 – February 23, 1848) was an American statesman, diplomat, lawyer, and diarist who served as the sixth president of the United States, from 1825 to 1829. He previously served as the eighth United States ...
, president of the United States during the Morgan affair, ran for governor of Massachusetts on the Anti-Masonic ticket in 1833. He denounced the Freemasons, declaring:
I do conscientiously and sincerely believe that the Order of Freemasonry, if not the greatest, is one of the greatest moral and political evils under which the Union is now laboring ... a conspiracy of the few against the equal rights of the many ...Masonry ought forever to be abolished. It is wrong - essentially wrong - a seed of evil, which can never produce any good.
Though few states passed laws directed at Freemasonry by name, laws regulating and restricting it were passed and many cases dealing with Freemasonry were seen in the courts.Albert Gallatin Mackey, and H. L. Haywood, ''Encyclopedia of Freemasonry'' Part 3 1909 p. 1286
online
/ref> Antimasonic legislation was passed in Vermont in 1833, including a provision by which the giving and willing taking of an unnecessary oath was made a crime. The state of New York enacted a Benevolent Orders Law to regulate such organizations. Freemason membership declined sharply, and the Antimasons like Adams transferred their deep concern to antislavery.


Catholic threat 1840s-1928

The arrival after 1840 of hundreds of thousands and indeed millions of Catholic immigrants from Europe, especially Ireland and Germany, ignited a Protestant nativist fear for American security. Henry Winter Davis, an active Know-Nothing, was elected in 1854 on the new "American Party" ticket to Congress from Maryland. He told Congress that the un-American Irish Catholic immigrants were to blame for the recent election of Democrat James Buchanan as president, stating in 1856:
The recent election has developed in an aggravated form every evil against which the American party protested. Foreign allies have decided the government of the country -- men naturalized in thousands on the eve of the election. Again in the fierce struggle for supremacy, men have forgotten the ban which the Republic puts on the intrusion of religious influence on the political arena. These influences have brought vast multitudes of foreign-born citizens to the polls, ignorant of American interests, without American feelings, influenced by foreign sympathies, to vote on American affairs; and those votes have, in point of fact, accomplished the present result.
The nativist rhetoric reawakened old historic fears based in British history regarding the threat of the Catholic Church. The new fear was that the Catholics were controlled by their priests, who in turn were controlled by their bishops, who in turn were controlled by the Pope in Rome. Their votes would all be dictated and be hostile to American values. The early success of the Irish in Boston and New York to gain political influence underlined the threat. The Protestant fear was that Catholics would disregard fair election procedures and thereby threatened to ruin the democratic process. Furthermore the Catholics were brought unprecedented violence poverty and disease to newly emerging slums. The main result was explosive overnight growth of the Know Nothing party in the mid 1850s, it briefly came to power in Massachusetts and nearby states. However the Know Nothing leadership was weak and it had few strong leaders and seldom won reelection. By 1860, overshadowed by issues of slavery and civil war, anticatholicism faded. The Catholic support for the Union in the Civil War demonstrated they were good citizens willing to fight for their new country, and most fears dissipated by 1865. But not all, there was a resurgence of anti-Catholicism in the
American Protective Association The American Protective Association (APA) was an American Anti-Catholicism, anti-Catholic secret society established in 1887 by Protestants. The organization was the largest anti-Catholic movement in the United States during the later part of the ...
of the late 1880s, The nomination of a Catholic for president in 1928 focused attention on Al Smith, a liberal Democrat in aa largely conservative era. His opposition to prohibition and his long-standing ties with
Tammany Hall Tammany Hall, also known as the Society of St. Tammany, the Sons of St. Tammany, or the Columbian Order, was a New York City political organization founded in 1786 and incorporated on May 12, 1789 as the Tammany Society. It became the main loc ...
in New York City made Catholicism a political factor. The negative aspects were largely muted until John F. Kennedy ran for president in 1960, when his religion increased his vote. The election of a Catholic as president in 2020 was remarkable in how little attention was paid to Joe Biden's religion. After his 8 years as vice president and after a rhetorically nasty campaign in 2020, only 58% of the voters knew he was a Catholic.


Slave rebellions


1850s

Prior to 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 ...
,
abolitionist Abolitionism, or the abolitionist movement, is the movement to end slavery. In Western Europe and the Americas, abolitionism was a historic movement that sought to end the Atlantic slave trade and liberate the enslaved people. The British ...
John Brown (18001859) advocated and practiced armed opposition to
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 ...
, launching several attacks between 1856 and 1859, his most famous attack was launched against the
armory Armory or armoury may mean: * An arsenal, a military or civilian location for the storage of arms and ammunition Places *National Guard Armory, in the United States and Canada, a training place for National Guard or other part-time or regular mili ...
at
Harpers Ferry Harpers Ferry is a historic town in Jefferson County, West Virginia. It is located in the lower Shenandoah Valley. The population was 285 at the 2020 census. Situated at the confluence of the Potomac and Shenandoah rivers, where the U.S. stat ...
in 1859. Local forces soon recaptured the fort and Brown was tried and executed for
treason Treason is the crime of attacking a state authority to which one owes allegiance. This typically includes acts such as participating in a war against one's native country, attempting to overthrow its government, spying on its military, its diplo ...
. A biographer of Brown has written that Brown's purpose was "to force the nation into a new political pattern by creating terror." In 2009, the 150th anniversary of Brown's death, prominent news publications debated over whether or not Brown should be considered a terrorist.


Civil War 1861-1865

The United States government made it a high priority to keep Britain and France from recognizing the Confederacy—threatening war if they did so. The Union diplomacy was successful. In late 1861 the Union Navy seized a British ship and took off Confederate diplomats. Union public opinion celebrated but London strongly objected and sent soldiers to Canada. Lincoln sent the diplomats back and the
Trent Affair The ''Trent'' Affair was a diplomatic incident in 1861 during the American Civil War that threatened a war between the United States and Great Britain. The U.S. Navy captured two Confederate envoys from a British Royal Mail steamer; the Brit ...
ended quietly. The Confederacy falsely believed that " Cotton is King" and that Britain and France would intervene to protect the cotton supply. Ther French government wanted to intervene, but needed British help. Top officials in London favored the Confederacy, but realized that much of its food supply came from the North, and in a war the Union navy would sink much of the British merchant fleet. wanted British and French intervention, but its diplomacy was poor. Its main success was borrowing some cash used to spread propaganda, and in getting Britain to build a warship "
CSS Alabama CSS ''Alabama'' was a screw sloop-of-war built in 1862 for the Confederate States Navy at Birkenhead on the River Mersey opposite Liverpool, England by John Laird Sons and Company. ''Alabama'' served as a successful commerce raider, attackin ...
" that captured American merchant ships. After the war London paid Washington $15.5 million for the damages.


Ku Klux Klan terrorism, 1866-1870s

During the Reconstruction era in December, 1865, six Confederate veterans founded the Ku Klux Klan (KKK). With the Union Army in charge of the South, the secret society soon spread across the region. The KKK used violence, lynching, murder and acts of intimidation such as
cross burning In modern times, cross burning or cross lighting is a practice which is associated with the Ku Klux Klan. However, it was practiced long before the Klan's inception. Since the early 20th century, the Klan burned crosses on hillsides as a way to ...
to oppress newly freed African Americans, as well as "Carpetbaggers" (new arrivals from the North) who worked with blacks in the Republican Party. The Klan's political goal was a return to
white supremacist White supremacy or white supremacism is the belief that white people are superior to those of other races and thus should dominate them. The belief favors the maintenance and defense of any power and privilege held by white people. White s ...
. Each local was entirely independent and focused on its own vicinity; there was no central direction above the local level. President Ulysses S. Grant was determined to stamp out terrorism but first he asked Congress for new laws on March 23, 1871:
A condition of affairs now exists in some of the States of the Union rendering life and property insecure, and the carrying of the mails and the collection of the revenue dangerous....That the power to correct these evils is beyond the control of State authorities, I do not doubt. That the power of the Executive of the United States, acting within the limits of existing laws, is sufficient for present emergencies, is not clear.
The new laws allowed Grant's team to suppress the Klan in the early 1870s. It disappeared by the mid-1870s. The KKK of the 1920s was an entirely new secret organization with a nationwide membership in the millions. It copied the original Klan white uniforms and used some of the same titles.


Vigilante committees 1850-1920

In areas with inadequate law enforcement agencies, especially in the newly settled American Frontier, concerned citizens formed extra-legal "vigilance committees." The goals were to maintain
law and order In modern politics, law and order is the approach focusing on harsher enforcement and penalties as ways to reduce crime. Penalties for perpetrators of disorder may include longer terms of imprisonment, mandatory sentencing, three-strikes laws a ...
and administer summary justice where governmental law enforcement was inadequate. In frontier areas they promised security and mediated land disputes. In ranching areas, they ruled on ranch boundaries, registered brands, and protected cattle and horses. In the mining districts, they protected claims, settled claim disputes, and attempted to protect miners and other residents. The committees closed down when stable legal systems appeared. The most famous committees operated in San Francisco in the 1850s
Whitecapping Whitecapping was a movement among farmers that occurred specifically in the United States during the late 19th and early 20th centuries. It was originally a ritualized form of extralegal actions to enforce community standards, appropriate behavior ...
and Night riders emerged in Kentucky, West Virginia, and nearby poor rural areas areas in the late 19th century. These were secret vigilante committees aimed at suppressing local criminal gangs in rural areas. In the "Black Patch war" poor tobacco farmers in Kentucky and Tennessee fought against the monopoly
American Tobacco Company The American Tobacco Company was a tobacco company founded in 1890 by J. B. Duke through a merger between a number of U.S. tobacco manufacturers including Allen and Ginter and Goodwin & Company. The company was one of the original 12 members ...
that paid low prices for tobacco. The vigilantes threatened farmers that sold their crops to the monopoly. In 1900 a conspiracy led by Republican politicians assassinated
William Goebel William Justus Goebel (January 4, 1856 – February 3, 1900) was an American Democratic politician who served as the 34th governor of Kentucky for four days in 1900, having been sworn in on his deathbed a day after being shot by an assassin. ...
, newly elected Democratic governor of Kentucky because he had seized control of the machinery of the state and seemed on the verge of becoming a local dictator.


Indian wars, 1860-1890

The Indian wars involved attacks by the Indians on White settlers and railroads, and the attacks by the US army on Indian braves off the reservation. The arena was the contest for control between the expanding American railway and ranching system versus the expanding Sioux and Comanche domains based on buffalo hunts. The US Army had the role of keeping the two apart, using lethal force against the Indians. Consequently the western frontier saw very high levels of organized and unorganized violence between settlers and Indians, with the army playing a major role in keeping transportation lines open, keeping feuding tribes apart, and moving Indians back to their reservations. Another perspective of course is out of the white threat to Indian homeland security. The national policy was that Native Americans had two choices: they could enter the main society and be subject to state government laws like everyone else, or they could live on designated reservations, largely subsidized by the federal government, where they had self-government. What was not allowed were Indian warriors leaving the reservation to attack other tribes, or whites. Sympathies have reversed over time, now favoring the Indians today rather than Colonel Custer. However at the time the American public demanded and got federal action to guarantee security in the West. Given the enormous attention in film fiction and folklore to these episodes, and it is likely they have shaped American sensibilities regarding the need for homeland security. The new emphasis includes systematic maltreatment of the Indians. Multiple solutions were attempted, including: Lincoln's aggressive policy against the Sioux 1862; Army imprisonment of the entire Navajo tribe in 1864; the Colorado militia's Sand Creek massacre of innocent Indians in 1864; civil war between tribes in Oklahoma 1861-1865; building a network of army forts to control the Plains; President Grant's peace policy and sending in the missionaries; enforcement of a tough reservation policy; destruction of the buffalo (the food supply of the nomads); Dawes Act requiring Indians to become farmers; and the forced assimilation via federal Indian schools.


Lynching, 1870s-1920s

The Jim Crow era accompanied the most cruel wave of "racial" suppression that America has yet experienced. Between 1890 and 1940, millions of African Americans were disenfranchised and brutalized. According to newspaper records kept at the
Tuskegee Institute Tuskegee University (Tuskegee or TU), formerly known as the Tuskegee Institute, is a private, historically black land-grant university in Tuskegee, Alabama. It was founded on Independence Day in 1881 by the state legislature. The campus was de ...
, about 5,000 were murdered in documented extrajudicial mob violence—called " lynchings." The journalist
Ida B. Wells Ida B. Wells (full name: Ida Bell Wells-Barnett) (July 16, 1862 – March 25, 1931) was an American investigative journalist, educator, and early leader in the civil rights movement. She was one of the founders of the National Association for ...
estimated that lynchings not reported by the newspapers, plus similar executions under the veneer of " due process", may have amounted to about 20,000 killings. Of the tens of thousands of lynchers and onlookers during this period, it is reported that fewer than 50 whites were ever indicted for their crimes, and only four were sentenced. Because Black people were disenfranchised, they could not sit on juries or have any part in the political process, including local offices. Meanwhile, the lynchings were used as a weapon of terror to keep millions of African-Americans living in a constant state of anxiety and fear. Most Black people were denied their right to keep and bear arms under Jim Crow laws, and they were therefore unable to protect themselves or their families.


Anarchism


Opposition to World War I

The
Espionage Act of 1917 The Espionage Act of 1917 is a United States federal law enacted on June 15, 1917, shortly after the United States entered World War I. It has been amended numerous times over the years. It was originally found in Title 50 of the U.S. Code (War ...
and the
Sedition Act of 1918 The Sedition Act of 1918 () was an Act of the United States Congress that extended the Espionage Act of 1917 to cover a broader range of offenses, notably speech and the expression of opinion that cast the government or the war effort in a ne ...
punished activity supporting the enemy war effort, or activity reducing support for the American war effort. The Sedition Act criminalized any expression of opinion that used "disloyal, profane, scurrilous or abusive language" about the U.S. government, flag or armed forces. Government police action, private vigilante groups, and public war hysteria compromised the peacetime civil liberties of many Americans who opposed the nation's policies. In March 1919 the Supreme Court upheld the convictions in a unanimous opinion:
When a nation is at war many things that might be said in time of peace are such a hindrance to its effort that their utterance will not be endured. . . . The question is whether the words used are used in such circumstances and are of such a nature as to create a clear and present danger that they will bring about the substantive evils that Congress has a right to prevent.
The most dramatic case was the conviction of Socialist Party leader
Eugene V. Debs Eugene Victor "Gene" Debs (November 5, 1855 – October 20, 1926) was an American socialist, political activist, trade unionist, one of the founding members of the Industrial Workers of the World (IWW), and five times the candidate of the Soc ...
for encouraging young men to defy the draft laws. After the war ended all those convicted were pardoned. The private
American Protective League The American Protective League (1917-1919) was an organization of private citizens sponsored by the United States Department of Justice that worked with Federal law enforcement agencies during the World War I era. Its mission to identify suspected ...
was the largest of many private patriotic associations that sprang up to support the war by identifying slackers, spies,
draft dodger Draft evasion is any successful attempt to elude a government-imposed obligation to serve in the military forces of one's nation. Sometimes draft evasion involves refusing to comply with the military draft laws of one's nation. Illegal draft ev ...
s and anti-war organizations. They worked with the new
Federal Bureau of Investigation The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. Operating under the jurisdiction of the United States Department of Justice, ...
. The strongest repression affected antiwar groups in the Western states. The main target was the
Industrial Workers of the World The Industrial Workers of the World (IWW), members of which are commonly termed "Wobblies", is an international labor union that was founded in Chicago in 1905. The origin of the nickname "Wobblies" is uncertain. IWW ideology combines general ...
, which was effectively closed down by convictions in federal court.


First Red Scare

The First Red Scare of 1919-1920 was marked by a widespread fear of far-left movements, including
Bolshevism Bolshevism (from Bolshevik) is a revolutionary socialist current of Soviet Marxist–Leninist political thought and political regime associated with the formation of a rigidly centralized, cohesive and disciplined party of social revolution, ...
and anarchism, due to real and imagined events. Real events included the Russian 1917
October Revolution The October Revolution,. officially known as the Great October Socialist Revolution. in the Soviet Union, also known as the Bolshevik Revolution, was a revolution in Russia led by the Bolshevik Party of Vladimir Lenin that was a key mome ...
and anarchist bombings. At its height, concerns over the effects of radical political agitation in American society and the alleged spread of
socialism Socialism is a left-wing Economic ideology, economic philosophy and Political movement, movement encompassing a range of economic systems characterized by the dominance of social ownership of the means of production as opposed to Private prop ...
,
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 ...
and anarchism in the
American labor movement The labor history of the United States describes the history of organized labor, US labor law, and more general history of working people, in the United States. Beginning in the 1930s, unions became important allies of the Democratic Party. T ...
fueled a general sense of concern. The Scare had its origins in the
hyper-nationalism Ultranationalism or extreme nationalism is an extreme form of nationalism in which a country asserts or maintains detrimental hegemony, supremacy, or other forms of control over other nations (usually through violent coercion) to pursue its s ...
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 ...
as well as the Bolshevik success in the Russian Revolution. Americans saw the factor of communist action in several labor union areas, such as the
Seattle General Strike The Seattle General Strike of 1919 was a five-day general work stoppage by more than 65,000 workers in the city of Seattle, Washington from February 6 to 11. Dissatisfied workers in several unions began the strike to gain higher wages, after t ...
and the Boston Police Strike. Most alarming was the bombing campaign directed by anarchist groups at political and business leaders. Fueled by labor unrest and the anarchist bombings, and then spurred on by the Palmer Raids and attempts by
United States Attorney General The United States attorney general (AG) is the head of the United States Department of Justice, and is the chief law enforcement officer of the federal government of the United States. The attorney general serves as the principal advisor to the p ...
A. Mitchell Palmer Alexander Mitchell Palmer (May 4, 1872 – May 11, 1936), was an American attorney and politician who served as the 50th United States attorney general from 1919 to 1921. He is best known for overseeing the Palmer Raids during the Red Scare ...
to suppress radical organizations, it was characterized by exaggerated rhetoric, illegal search and seizures, unwarranted arrests and detentions, and the
deportation Deportation is the expulsion of a person or group of people from a place or country. The term ''expulsion'' is often used as a synonym for deportation, though expulsion is more often used in the context of international law, while deportation ...
of several hundred suspected radicals and anarchists. In addition, the growing anti-
immigration Immigration is the international movement of people to a destination country of which they are not natives or where they do not possess citizenship in order to settle as permanent residents or naturalized citizens. Commuters, tourists, a ...
nativist movement among Americans viewed increasing immigration from
Southern Europe Southern Europe is the southern region of Europe. It is also known as Mediterranean Europe, as its geography is essentially marked by the Mediterranean Sea. Definitions of Southern Europe include some or all of these countries and regions: Alba ...
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 ...
as a threat to American political and social stability. Fear of radicalism was used to explain the suppression of
freedom of expression Freedom of speech is a principle that supports the freedom of an individual or a community to articulate their opinions and ideas without fear of retaliation, censorship, or legal sanction. The right to freedom of expression has been recog ...
in the form of display of certain flags and banners. In April 1920, concerns peaked with
J. Edgar Hoover John Edgar Hoover (January 1, 1895 – May 2, 1972) was an American law enforcement administrator who served as the first Director of the Federal Bureau of Investigation (FBI). He was appointed director of the Bureau of Investigation  ...
telling the nation to prepare for a bloody uprising on
May Day May Day is a European festival of ancient origins marking the beginning of summer, usually celebrated on 1 May, around halfway between the spring equinox and summer solstice. Festivities may also be held the night before, known as May Eve. Tr ...
. Police and militias prepared for the worst, but May Day passed without incident. Soon, public opinion and the courts turned against Palmer, putting an end to his raids and the First Red Scare.


Opposition to World War II


Department of Homeland Security

The Department of Homeland Security (DHS), created in 2002, is responsible for
public security Public security or public safety is the prevention of and protection from events that could endanger the safety and security of the public from significant danger, injury, or property damage. It is often conducted by a state government to ensur ...
, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terrorism,
border security Border control refers to measures taken by governments to monitor and regulate the movement of people, animals, and goods across land, air, and maritime borders. While border control is typically associated with international borders, it a ...
, immigration and customs, cyber security, and disaster prevention and management.Jane Bullock, George Haddow, and Damon P. Coppola, ''Introduction to homeland security'' (Butterworth-Heinemann, 2011) pp 81-112. It began operations in 2003, formed as a result of the Homeland Security Act of 2002, enacted in response to 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 ...
. With more than 240,000 employees, DHS is the third-largest cabinet department
Homeland security Homeland security is an American national security term for "the national effort to ensure a homeland that is safe, secure, and resilient against terrorism and other hazards where American interests, aspirations, and ways of life can thrive" t ...
policy is coordinated at the Presidential level by the
Homeland Security Council The Homeland Security Council (HSC) is an entity within the Executive Office of the President of the United States tasked with advising the President on matters relevant to Homeland Security. The current Homeland Security Advisor is Elizabeth S ...
. Other agencies with significant homeland security responsibilities include the Departments of Health and Human Services,
Justice Justice, in its broadest sense, is the principle that people receive that which they deserve, with the interpretation of what then constitutes "deserving" being impacted upon by numerous fields, with many differing viewpoints and perspective ...
, and
Energy In physics, energy (from Ancient Greek: ἐνέργεια, ''enérgeia'', “activity”) is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of hea ...
.


Natural disasters


Epidemics


See also

*
Alien and Sedition Acts The Alien and Sedition Acts were a set of four laws enacted in 1798 that applied restrictions to immigration and speech in the United States. The Naturalization Act increased the requirements to seek citizenship, the Alien Friends Act allowed th ...
, of 1798 *
Civil defense in the United States United States civil defense refers to the use of civil defense in the history of the United States, which is the organized non-military effort to prepare Americans for military attack and similarly disastrous events. Late in the 20th century, th ...
*
Conspiracy theories in United States politics Conspiracy theories in United States politics are beliefs that an event or situation in US politics is the result of secretive collusion by powerful people striving to harm a rival group or undermine society in general. Such theories draw from ...
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Espionage Act of 1917 The Espionage Act of 1917 is a United States federal law enacted on June 15, 1917, shortly after the United States entered World War I. It has been amended numerous times over the years. It was originally found in Title 50 of the U.S. Code (War ...
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Sedition Act of 1918 The Sedition Act of 1918 () was an Act of the United States Congress that extended the Espionage Act of 1917 to cover a broader range of offenses, notably speech and the expression of opinion that cast the government or the war effort in a ne ...
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Federal Emergency Management Agency The Federal Emergency Management Agency (FEMA) is an agency of the United States Department of Homeland Security (DHS), initially created under President Jimmy Carter by Presidential Reorganization Plan No. 3 of 1978 and implemented by two Ex ...
, FEMA *
History of the United States Coast Guard The history of the United States Coast Guard goes back to the United States Revenue Cutter Service, which was founded on 4 August 1790 as part of the Department of the Treasury. The Revenue Cutter Service and the United States Life-Saving S ...
*
Homeland security Homeland security is an American national security term for "the national effort to ensure a homeland that is safe, secure, and resilient against terrorism and other hazards where American interests, aspirations, and ways of life can thrive" t ...
** Homeland Security Act of 2002 **
United States Department of Homeland Security The United States Department of Homeland Security (DHS) is the U.S. federal executive department responsible for public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terr ...
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National Strategy for Homeland Security The United States National Strategy for Homeland Security is a formal government response to the events of September 11, 2001 at the Pentagon and World Trade Center. The document issued by President George W. Bush outlines the overall strategic co ...
, response to 9-11 in 2001 * Illegal immigration to the United States * Jihadist extremism in the United States *
List of attacks on U.S. territory Incorporated *American Revolutionary War, 1776–1780 (Perpetrator: Great Britain) *War of 1812, 1812–1815 (Perpetrator: United Kingdom, British Canada) *Thornton Affair, April 26, 1846 (Perpetrator: Second Federal Republic of Mexico) *Mexic ...
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List of incidents of civil unrest in the United States Listed are major episodes of civil unrest in the United States. This list does not include the numerous incidents of destruction and violence associated with various sporting events. 18th century *1783 – Pennsylvania Mutiny of 1783, June 20 ...
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List of massacres in the United States This is a partial list of massacres in the United States; death tolls may be approximate. :*For single-perpetrator events and shooting sprees, see List of rampage killers in the United States, Mass shootings in the United States, :Spree shooti ...
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List of organizations designated by the Southern Poverty Law Center as hate groups The following is a list of U.S.-based organizations that are classified as hate groups by the Southern Poverty Law Center (SPLC). The SPLC is an American nonprofit legal advocacy organization specializing in civil rights and public interest litig ...
* Lynching in the United States *
Mass racial violence in the United States In the broader context of racism against Black Americans and racism in the United States, mass racial violence in the United States consists of ethnic conflicts and race riots, along with such events as: * Racially based communal conflicts betwe ...
* Terrorism in the United States ** Domestic terrorism in the United States **
Outline of terrorism in the United States The following outline is provided as an overview of and topical guide to the past and present terrorism in the United States: Although terrorism has been given several different definitions, it is most commonly defined as the use of violence t ...
** Timeline of terrorist attacks in the United States **
Right-wing terrorism Right-wing terrorism, hard right terrorism, extreme right terrorism or far-right terrorism is terrorism that is motivated by a variety of different right-wing and far-right ideologies, most prominently, it is motivated by neo-Nazism, anti-com ...
**
List of right-wing terrorist attacks This is a list of right-wing terrorist attacks. Right-wing terrorism is terrorism that is motivated by a variety of different right-wing and far-right ideologies, most prominently by neo-Nazism, neo-fascism, ecofascism, white nationalism, whit ...
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United States Department of Homeland Security The United States Department of Homeland Security (DHS) is the U.S. federal executive department responsible for public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terr ...
*
Vigilantism Vigilantism () is the act of preventing, investigating and punishing perceived offenses and crimes without legal authority. A vigilante (from Spanish, Italian and Portuguese “vigilante”, which means "sentinel" or "watcher") is a person who ...
* Xenophobia in the United States


Notes


Further reading

{{Further, Conspiracy theories in United States politics#Further reading#Historical * Andrew, Christopher. ''For the President's Eyes Only: Secret Intelligence and the American Presidency from Washington to Bush'' (HarperCollins, 1995
excerpt
see als
online review
* Berlet, Chip, and Matthew N. Lyons. ''Right-Wing Populism in America'' (2000) * Brennan, Virginia. ''Natural Disasters and Public Health: Hurricanes Katrina, Rita, and Wilma'' (Johns Hopkins University Press, 2009). * Bristow, Nancy K. ''American Pandemic: The Lost Worlds of the 1918 Influenza Epidemic'' (Oxford UP, 2012). * Brown, Richard M. ''Strain of Violence: Historical Studies of American Violence and Vigilantism'' (Oxford UP, 1975) * Curry, Richard O., and Thomas M. Brown, eds. ''Conspiracy: The Fear of Subversion in American History'' (1972). 19 articles by experts. * Davis, David Brion. "Some Themes of Counter-subversion: An Analysis of Anti-Masonic, Anti-Catholic and Anti-Mormon Literature", ''Mississippi Valley Historical Review,'' 47#2 (1960), 205–224
online
* Davis, David Brion, ed. ''The fear of conspiracy: Images of un-American subversion from the revolution to the present'' (Cornell UP, 1971), primary sources that tried to expose conspiracies. * Dugan, Laura, and Daren Fisher. "Far-Right and Jihadi Terrorism within the United States: From September 11th to January 6th." ''Annual Review of Criminology'' 6 (2022). * FAS.ORG: Homeland Defense, Joint Publication 3-27 (2018
online
* Fellman, Michael. ''In the Name of God and Country: Reconsidering Terrorism in American History'' (Yale UP, 2010). * Graham, Hugh Davis, and Ted Robert Gurr, eds. ''The history of violence in America: historical and comparative perspectives'' (Praeger, 1969), 874pp; essays by scholars; a one-volume edition of 2 volume report of National Commission on the Causes and Prevention of Violence. Task Force on Historical and Comparative Perspectives
online
* Herring, George C. ''From colony to superpower: US foreign relations since 1776'' (Oxford UP, 2008
excerpt
* Hewitt, Christopher. ''Understanding terrorism in America: From the Klan to al Qaeda'' (Routledge, 2003)
online
* Higham; John. ''Strangers in the Land: Patterns of American Nativism, 1860–1925'' (1955
online
* Hill, Joshua, Willard M. Oliver, and Nancy E. Marion. " 'Shaping history' or 'Riding the wave'?: President Bush's influence on the public opinion of terrorism, homeland security, & crime." ''Journal of Criminal Justice'' 38.5 (2010): 896-902. * Kaufmann, Joseph E., and Hanna W. Kaufmann. ''Fortress America: the forts that defended America, 1600 to the present'' (Da Capo Press, 2004)
online
* McElreath, David H., et al. ''Introduction to homeland security'' (CRC Press, 2021). * MacKenzie, Scott A. "But There Was No War: The Impossibility of a United States Invasion of Canada after the Civil War" ''American Review of Canadian Studies'' (2017)
online
* O'Toole, G. J. A. ''The Encyclopedia of American Intelligence and Espionage: From the Revolutionary War to the Present'' (1988), strong on biography. * O'Toole, G. J. A. ''Honorable Treachery: A History of U.S. Intelligence, Espionage, and Covert Action from the American Revolution to the CIA'' (2nd ed. 2014
excerpt
* Summers, Mark Wahlgren. ''A Dangerous Stir: Fear, Paranoia, and the Making of Reconstruction'' (Univ of North Carolina Press, 2009). * Van Slyke, Jeffrey et al. ''Introduction to Homeland Security'' (2nd ed. CRC Press. 2013
excerpt
* Wilson, Tim. ''Rightist violence: An historical perspective'' (International Centre for Counter-Terrorism (ICCT), 2020).


Historiography and memory

* Butter, Michael, and Peter Knight, eds. ''Routledge handbook of conspiracy theories'' (Routledge, 2020). * Goldberg, Robert Alan. ''Enemies Within: The Culture of Conspiracy in Modern America'' (Yale UP, 2001) * Kenny; Stephen. "Prejudice That Rarely Utters Its Name: A Historiographical and Historical Reflection upon North American Anti-Catholicism." ''American Review of Canadian Studies.'' 32#4 (2002). pp: 639+. * Ore, Ersula J. ''Lynching: Violence, rhetoric, and American identity'' (Univ. Press of Mississippi, 2019). * Schultz, Nancy Lusignan, ed. ''Fear Itself: Enemies Real and Imagined in American Culture'' (Purdue UP, 1998), 27 essays by experts. * Uscinski, Joseph E. "The study of conspiracy theories." ''Argumenta'' 3.2 (2018): 233-245
online


Primary sources

* Bellesiles, Michael A. and Christopher Waldrep, eds. ''Documenting American violence a sourcebook'' (2005) * Brown, Richard Maxwell, ed. ''American violence'' (1970
online
200pp * Hofstadter, Richard, and Michael Wallace, ed. ''American Violence: A Documentary History'' (Knopf. 1970) 478 pp
online
* Maxwell, Bruce, ed. ''Homeland Security: A Documentary History'' (CQ 2004) 142 documents in 520pp. Most are 1990-2003.


External links


George W Bush on Homeland Security 2008Homelanddense.com ''Homeland Defense Solutions''
Civil defense Disaster preparedness in the United States Emergency management in the United States United States Department of Homeland Security