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 Kingdom–United States relations Atlantic, such as the Baptists, Methodists, Congregationalists and Episcopalians. Britain and the United States practise what is commonly referred to as an Anglo-Saxon economy in which levels of regulation and taxes are relatively low, and government provides a low to medium level of social services in return. Independence Day, July 4, is a national celebration which commemorates the July 4, 1776 adoption of the Declaration of Independence from the British Empire. American defiance of Britain is expressed in the American national anthem, "The Star Spangled Banner", written during the War of 1812 to the tune of a British celebratory song