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
Economic history of the United Kingdom manufactured goods were sold around the world, and raw materials and luxury goods were imported to Britain. During the Industrial Revolution the empire became less important and less well-regarded. The British defeat in the American War of Independence (1775–1783) deprived it of its largest and most developed colonies. This loss brought a realisation that colonies were not particularly economically beneficial to the home economy. It was realised that the costs of occupation of colonies often exceeded the financial return to the taxpayer. In other words, formal empire afforded no great economic benefit when trade would continue whether the overseas political