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 minority in Parliament warned that the government was driving the colonists toward independence. Thomas Paine's pamphlet "Common Sense" was published in January 1776, just as it became clear in the colonies that the king was not inclined to act as a conciliator. Paine had only recently arrived in the colonies from England, and he argued in favor of colonial independence, advocating republicanism as an alternative to monarchy and hereditary rule. "Common Sense" made a persuasive and impassioned case for independence, which had not yet been given serious intellectual consideration in the American colonies. Paine connected independence with Protestant beliefs as