The Thirteen Colonies, also known as the Thirteen British Colonies or the Thirteen American Colonies, were a group of colonies of Great Britain on the Atlantic coast of America founded in the 17th and 18th centuries which declared independence in 1776 and formed the United States of America.The main long term causes were based on the inequality between the Great Britain's colonies in America and Great Britain, such as the rights, declaratory acts, the intolerable acts, sugar act, the proclamation and taxation.
