Slavery in the colonial United States Slavery in the colonial United States Slavery in the colonial area which later became the United States (1600–1776) developed from complex factors, and researchers have proposed several theories to explain the development of the institution of slavery and of the slave trade. Slavery strongly correlated with Europe's American colonies' need for labor, especially for the labor-intensive plantation economies of the sugar colonies in the Caribbean, operated by Great Britain, France, Spain, and the Dutch Republic. Most slaves who were brought or kidnapped to the Thirteen British colonies - the Eastern seaboard of what later became the United States - were
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