Slavery in the colonial United States December 1865. 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
United States Declaration of Independence documents", wrote Pauline Maier, "is there any evidence whatsoever that the Declaration of Independence lived in men's minds as a classic statement of American political principles." Many leaders of the French Revolution admired the Declaration of Independence but were also interested in the new American state constitutions. The inspiration and content of the French Declaration of the Rights of Man and Citizen (1789) emerged largely from the ideals of the American Revolution. Its key drafts were prepared by Lafayette, working closely in Paris with his friend Thomas Jefferson. It also borrowed language from George Mason's Virginia Declaration of Rights. The