Why was slavery originally brought to colonial America?

Slavery in the colonial history of the United States, from 1526 to 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' demand 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 .

Explanation:

lincoln declared that slavery should not be allowed to spread into the new states, and of course this angered the south at the time.