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
Signing of the United States Declaration of Independence delegation before the August 2 signing. Rogers had voted for the resolution of independence but was no longer a delegate on August 2. Alsop favored reconciliation with Great Britain and so resigned rather than add his name to the document. Dickinson refused to sign, believing the Declaration premature, but he remained in Congress. George Read had voted against the resolution of independence, and Robert Morris had abstained—yet they both signed the Declaration. The most famous signature on the engrossed copy is that of John Hancock, who presumably signed first as President of Congress. Hancock's large, flamboyant signature became iconic, and