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
Colombian Declaration of Independence Spanish colonies in the Americas were forbidden to trade with other countries and their colonies, such as Great Britain and British North America, and the French Empire and New France. Spain was their only source of goods and merchandise, although it was unable to fulfill the trade demands of its colonies. Furthermore, Charles III's support for the independence of the United States generated new taxes, causing unrest in Spain's colonies in the Americas, such as the Revolt of the Comuneros (New Granada) and the Rebellion of Túpac Amaru II. Another major tension was the policy of excluding Criollos, or locally