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 that the Declaration of Independence was signed. The adoption of the Declaration of Independence was dramatized in the 1969 Tony Award–winning musical "1776" and the 1972 film version, as well as in the 2008 television miniseries "John Adams". In 1970, The 5th Dimension recorded the opening of the Declaration on their album "Portrait" in the song "Declaration". It was first performed on the "Ed Sullivan Show" on December 7, 1969, and it was taken as a song of protest against the Vietnam War. The Declaration of Independence is also a plot device in the 2004 American film "National Treasure". United