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 the proper tone and spirit called for by the occasion. Jefferson's most immediate sources were two documents written in June 1776: his own draft of the preamble of the Constitution of Virginia, and George Mason's draft of the Virginia Declaration of Rights. Ideas and phrases from both of these documents appear in the Declaration of Independence. They were, in turn, directly influenced by the 1689 English Declaration of Rights, which formally ended the reign of King James II. During the American Revolution, Jefferson and other Americans looked to the English Declaration of Rights as a model of how to end