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 of Caesar Rodney, who voted for independence. The New York delegation abstained once again since they were still not authorized to vote for independence, although they were allowed to do so a week later by the New York Provincial Congress. The resolution of independence was adopted with twelve affirmative votes and one abstention, and the colonies officially severed political ties with Great Britain. John Adams wrote to his wife on the following day and predicted that July 2 would become a great American holiday He thought that the vote for independence would be commemorated; he did not foresee that Americans