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Triangle Trade
Triangular trade or triangle trade is trade between three ports or regions. Triangular trade usually evolves when a region has export commodities that are not required in the region from which its major imports come. It has been used to offset trade imbalances between different regions. The Atlantic slave trade used a system of three-way trans-Atlantic exchanges – known historically as the triangular trade – which operated between Europe, Africa and the Americas from the 16th to 19th centuries. A classic example is the colonial molasses trade, which involved the circuitous trading of slaves, sugar (often in liquid form, as molasses), and rum between West Africa, the West Indies and the northern colonies of British North America in the 17th and 18th centuries. The slaves grew the sugar that was used to brew rum, which in turn was traded for more slaves. In this circuit, the sea lane west from Africa to the West Indies (and later, also to Brazil) was known as the Middle Passag ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Triangle Trade2
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices ''A'', ''B'', and ''C'' is denoted \triangle ABC. In Euclidean geometry, any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane (i.e. a two-dimensional Euclidean space). In other words, there is only one plane that contains that triangle, and every triangle is contained in some plane. If the entire geometry is only the Euclidean plane, there is only one plane and all triangles are contained in it; however, in higher-dimensional Euclidean spaces, this is no longer true. This article is about triangles in Euclidean geometry, and in particular, the Euclidean plane, except where otherwise noted. Types of triangle The terminology for categorizing triangles is more than two thousand years old, having been defined on the very first page of Euclid's Elements. The names used for modern classification are eit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Winds In The Age Of Sail
The captain of a steam ship naturally chooses the shortest route to nearby destinations. Since a sailing ship is usually pushed by winds and currents, its captain must find a route where the wind will probably blow in the right direction. Tacking, i.e. using contrary wind to pull (sic) the sails, was always possible but wasted time because of the zigzagging required, and this would significantly delay long voyages. The early European explorers were not only looking for new lands. They also had to discover the pattern of winds and currents that would carry them where they wanted to go. During the age of sail winds and currents determined trade routes and therefore influenced European imperialism and modern political geography. For an outline to the main wind systems see Global wind patterns. Pilotage or cabotage, in one sense, is the art of sailing along the coast using known landmarks. Navigation, in one sense, is the art of sailing long distances out of sight of land. Although ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
European Colonization Of The Americas
During the Age of Discovery, a large scale European colonization of the Americas took place between about 1492 and 1800. Although the Norse had explored and colonized areas of the North Atlantic, colonizing Greenland and creating a short term settlement near the northern tip of Newfoundland circa 1000 CE, the later and more well-known wave by the European powers is what formally constitutes as beginning of colonization, involving the continents of North America and South America. During this time, several empires from Europe—primarily Britain, France, Spain, Portugal, Russia, the Netherlands and Sweden—began to explore and claim the land, natural resources and human capital of the Americas, resulting in the displacement, disestablishment, enslavement, and in many cases, genocide of the indigenous peoples, and the establishment of several settler colonial states. Some formerly European settler colonies—including New Mexico, Alaska, the Prairies or northern ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Role Of Nantes In The Slave Trade
The Nantes slave trade resulted in the deportation, from the late 17th to the beginning of the 19th century, of more than 500,000 black African slaves into French ownership in the Americas, mainly in the Antilles. With 1,744 slave voyages, Nantes, France, was the principal French slave-trading port for the duration of this period. The Slave Trade was explicitly encouraged by the royal family and described by the church as an "ordinary occupation." The town was the last centre for slave trade in France, until the abolishment of the practice in 1831, with the prohibition of the slave trade. Context The transatlantic slave trade, between Europe and America, deported 12 to 13 million Africans, the majority of those from the end of the 17th century onwards. In 1997, the historian Hugh Thomas claimed that 13,000,000 slaves left Africa as a result of the slave trade, of which 11,328,000 arrived at their destination, over 54,200 voyages. Every large European port was invol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bristol Slave Trade
upStatue of slave trader toppled_in_2020_.html" ;"title="The Centre, Bristol">The Centre, Bristol, erected in 1895, Statue of Edward Colston#Toppling and removal">toppled in 2020 ">The Centre, Bristol">The Centre, Bristol, erected in 1895, Statue of Edward Colston#Toppling and removal">toppled in 2020 Bristol, a port city in south-west England, was involved in the transatlantic slave trade. Bristol's part in the trade was prominent in the 17th and 18th centuries as the city's merchants used their position to gain involvement. It is estimated that over 500,000 enslaved African people were traded by Bristol merchants. Background Located on the banks of the River Avon in the South West of England, the city of Bristol has been an important location for maritime trade for centuries. In the Anglo-Saxon period slaves were exported from a number of ports, but after the Norman Conquest churchmen called for its abolition. Bristol was the main centre and slaves were brought there from al ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Slave Ship
Slave ships were large cargo ships specially built or converted from the 17th to the 19th century for transporting slaves. Such ships were also known as "Guineamen" because the trade involved human trafficking to and from the Guinea coast in West Africa. Atlantic slave trade In the early 1600s, more than a century after the arrival of Europeans to the Americas, demand for unpaid labor to work plantations made slave-trading a profitable business. The Atlantic slave trade peaked in the last two decades of the 18th century, during and following the Kongo Civil War. To ensure profitability, the owners of the ships divided their hulls into holds with little headroom, so they could transport as many slaves as possible. Unhygienic conditions, dehydration, dysentery and scurvy led to a high mortality rate, on average 15% and up to a third of captives. Often the ships carried hundreds of slaves, who were chained tightly to plank beds. For example, the slave ship ''Henrietta Ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Azores
) , motto =( en, "Rather die free than subjected in peace") , anthem= ( en, "Anthem of the Azores") , image_map=Locator_map_of_Azores_in_EU.svg , map_alt=Location of the Azores within the European Union , map_caption=Location of the Azores within the European Union , subdivision_type=Sovereign state , subdivision_name=Portugal , established_title=Settlement , established_date=1432 , established_title3=Autonomous status , established_date3=30 April 1976 , official_languages=Portuguese , demonym= ( en, Azorean) , capital_type= Capitals , capital = Ponta Delgada (executive) Angra do Heroísmo (judicial) Horta (legislative) , largest_city = Ponta Delgada , government_type= Autonomous Region , leader_title1=Representative of the Republic , leader_name1=Pedro Manuel dos Reis Alves Catarino , leader_title2= President of the Legislative Assembly , leader_name2= Luís Garcia , leader_title3= President of the Regional Government , leader_name3=José Manuel Bolieiro , l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canary Islands
The Canary Islands (; es, Canarias, ), also known informally as the Canaries, are a Spanish autonomous community and archipelago in the Atlantic Ocean, in Macaronesia. At their closest point to the African mainland, they are west of Morocco. They are the southernmost of the autonomous communities of Spain. The islands have a population of 2.2 million people and they are the most populous special territory of the European Union. The seven main islands are (from largest to smallest in area) Tenerife, Fuerteventura, Gran Canaria, Lanzarote, La Palma, La Gomera, and El Hierro. The archipelago includes many smaller islands and islets, including La Graciosa, Alegranza, Isla de Lobos, Montaña Clara, Roque del Oeste, and Roque del Este. It also includes a number of rocks, including those of Salmor, Fasnia, Bonanza, Garachico, and Anaga. In ancient times, the island chain was often referred to as "the Fortunate Isles". The Canary Islands are the southernmost region of Spai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volta Do Mar
, , or (the phrase in Portuguese means literally 'turn of the sea' but also 'return from the sea') is a navigational technique perfected by Portuguese navigators during the Age of Discovery in the late fifteenth century, using the dependable phenomenon of the great permanent wind circle, the North Atlantic Gyre. This was a major step in the history of navigation, when an understanding of winds in the age of sail was crucial to success: the European sea empires would not have been established without an understanding of the trade winds. History Portuguese discovery in the Atlantic Ocean The was a sailing technique discovered in successfully returning from the Atlantic islands, where the pilot first had to sail far to the west in order to catch usable following winds, and return to Europe. This was a counter-intuitive sailing direction, as it required the pilot to steer in a direction that was perpendicular to the ports of Portugal. Lack of this information may have do ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Voyages Of Christopher Columbus
Between 1492 and 1504, Italian explorer Christopher Columbus led four Spanish transatlantic maritime expeditions of discovery to the Americas. These voyages led to the widespread knowledge of the New World. This breakthrough inaugurated the period known as the Age of Discovery, which saw the colonization of the Americas, a related biological exchange, and trans-Atlantic trade. These events, the effects and consequences of which persist to the present, are often cited as the beginning of the modern era. Born in the Republic of Genoa, Columbus was a navigator who sailed for the Crown of Castile (a predecessor to the modern Kingdom of Spain) in search of a westward route to the Indies, thought to be the East Asian source of spices and other precious oriental goods obtainable only through arduous overland routes. Columbus was partly inspired by 13th-century Italian explorer Marco Polo in his ambition to explore Asia and never admitted his failure in this, incessantly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Westerlies
The westerlies, anti-trades, or prevailing westerlies, are prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude. They originate from the high-pressure areas in the horse latitudes and trend towards the poles and steer extratropical cyclones in this general manner. Tropical cyclones which cross the subtropical ridge axis into the westerlies recurve due to the increased westerly flow. The winds are predominantly from the southwest in the Northern Hemisphere and from the northwest in the Southern Hemisphere. The westerlies are strongest in the winter hemisphere and times when the pressure is lower over the poles, while they are weakest in the summer hemisphere and when pressures are higher over the poles. The westerlies are particularly strong, especially in the Southern Hemisphere (called also 'Brave West winds' at striking Chile, Tasmania and New Zealand), in areas where land is absent, because land amplifies the flow patt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gulf Stream
The Gulf Stream, together with its northern extension the North Atlantic Drift, is a warm and swift Atlantic ocean current that originates in the Gulf of Mexico and flows through the Straits of Florida and up the eastern coastline of the United States then veers east near 36 latitude (North Carolina) and moves toward Northwest Europe as the North Atlantic Current. The process of western intensification causes the Gulf Stream to be a northwards accelerating current off the east coast of North America. At about , it splits in two, with the northern stream, the North Atlantic Drift, crossing to Northern Europe and the southern stream, the Canary Current, recirculating off West Africa. The Gulf Stream influences the climate of the coastal areas of the east coast of the United States from Florida to southeast Virginia (near 36 north latitude), and to a greater degree the climate of Northwest Europe. There is consensus that the climate of northwest Europe is warmer than other ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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