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
Human rights in the United States in the Declaration of Independence of the United States, when a group of representatives from the various states signed a declaration of independence citing charges against King George III. As the American Declaration of Independence in 1776 expressed it, natural law taught that the people were "endowed by their Creator with certain unalienable Rights" and could alter or abolish government "destructive" of those rights. The United States government has declared martial law, suspended (or claimed exceptions to) some rights on national security grounds, typically in wartime and conflicts such as the United States Civil War, Cold War or the War