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 followed, many stories about the writing and signing of the document were published for the first time. When interest in the Declaration was revived, the sections that were most important in 1776 were no longer relevant: the announcement of the independence of the United States and the grievances against King George. But the second paragraph was applicable long after the war had ended, with its talk of self-evident truths and unalienable rights. The Constitution and the Bill of Rights lacked sweeping statements about rights and equality, and advocates of groups with grievances turned to the Declaration for support. Starting in