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 minority in Parliament warned that the government was driving the colonists toward independence. Thomas Paine's pamphlet "Common Sense" was published in January 1776, just as it became clear in the colonies that the king was not inclined to act as a conciliator. Paine had only recently arrived in the colonies from England, and he argued in favor of colonial independence, advocating republicanism as an alternative to monarchy and hereditary rule. "Common Sense" made a persuasive and impassioned case for independence, which had not yet been given serious intellectual consideration in the American colonies. Paine connected independence with Protestant beliefs as