Slavery in the United States Slavery in the United States Slavery in the United States was the legal institution of human chattel enslavement, primarily of Africans and African Americans, that existed in the United States of America in the 18th and 19th centuries. Slavery had been practiced in British America from early colonial days, and was legal in all Thirteen Colonies at the time of the Declaration of Independence in 1776. It lasted in about half the states until 1865, when it was prohibited nationally by the Thirteenth Amendment. As an economic system, slavery was largely replaced by sharecropping. By the time of the American
United States Declaration of Independence individual colonies, such as the Rhode Island legislature declaring its independence from Great Britain on May 4, the first colony to do so. Many "declarations" were resolutions adopted at town or county meetings that offered support for independence. A few came in the form of jury instructions, such as the statement issued on April 23, 1776, by Chief Justice William Henry Drayton of South Carolina: "the law of the land authorizes me to declare ... that "George" the Third, King of "Great Britain" ... has no authority over us, and we owe no obedience to him." Most of these declarations