African Americans are citizens of the United States who have origins in any of the black populations of Africa. Most African Americans are the direct descendants of captive Africans who survived the slavery era within the boundaries of the present United States. African-American history starts in the 17th century with indentured servitude in the American colonies. In first part , we will speak about origines of slavery in United States , then we will explain triangular trade , then we will describe the conditions of black people and we will speak about constitution of United States before conclu ding.

I- Origines of slavery in United States.

The first record of African slavery in Colonial America was made in 1619. A British pirate ship, "the White Lion", had captured 20 Angolan slaves in a battle with a Portuguese ship bound for Veracruz, Mexico. The Angolans were from the kingdoms of Ndongo and Kongo, and spoke languages of the Bantu group.
Though the colony was in the middle of a period later known as "The Great Migration" during which this population grew from 450 to 4,000 residents. Morever, war with Native Americans kept the population of able-bodied laborers low.

II- The conditions of black people

The culture of the tobacco and the institutionalization of the slavery . The success of the tobacco in Europe pulled in the 1660s an important development of the culture of the grass to Nicot and therefore, of the system of plantations, at first in Virginia then in the Maryland and in the Caroline Islands. The explosion of the request, the important profits associated to the culture pulled a request in hand of work that did not succeed in satisfying the system of the engagisme.At the same time, the British had supplanted the Dutch people in the maritime domain and created in 1672 the royal Company of Africa in the only purpose to develop the slave business in the Atlantic Ocean. While the business with the iberian empires was saturated, the British