Timeline of events leading to the American Civil War colonial period in Virginia, slavery had been a part of the socioeconomic system of British North America and was recognized in the Thirteen Colonies at the time of the United States' Declaration of Independence (1776). Since then, events and statements by politicians and others brought forth differences, tensions and divisions between the people of the slave states of the Southern United States and the people of the free states of the Northern United States (including Western states) over the topics of slavery. The large underlying issue from which other issues developed was whether slavery should be retained and even expanded
United States Declaration of Independence colonies. The orthodox British view, dating from the Glorious Revolution of 1688, was that Parliament was the supreme authority throughout the empire, and so, by definition, anything that Parliament did was constitutional. In the colonies, however, the idea had developed that the British Constitution recognized certain fundamental rights that no government could violate, not even Parliament. After the Townshend Acts, some essayists even began to question whether Parliament had any legitimate jurisdiction in the colonies at all. Anticipating the arrangement of the British Commonwealth, by 1774 American writers such as Samuel Adams, James Wilson, and Thomas Jefferson were arguing that