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 the 1820s, variations of the Declaration were issued to proclaim the rights of workers, farmers, women, and others. In 1848, for example, the Seneca Falls Convention of women's rights advocates declared that "all men and women are created equal". John Trumbull's painting "Declaration of Independence" has played a significant role in popular conceptions of the Declaration of Independence. The painting is in size and was commissioned by the United States Congress in 1817; it has hung in the United States Capitol Rotunda since 1826. It is sometimes described as the signing of the Declaration of Independence, but it actually shows