Territorial evolution of the United States Territorial evolution of the United States The United States of America was created on July 4, 1776, with the declaration of independence of thirteen British colonies. Their independence was recognized by Great Britain with the Treaty of Paris of 1783, following the American Revolutionary War. This effectively doubled the size of the colonies, now able to stretch west past the Proclamation Line to the Mississippi River. This land was organized into territories and then states, though there remained some conflict with the sea-to-sea grants claimed by some of the original colonies. In time, these grants were ceded to the federal
United States Declaration of Independence another copy incorporating these alterations. The committee presented this copy to the Congress on June 28, 1776. The title of the document was "A Declaration by the Representatives of the United States of America, in General Congress assembled." Congress ordered that the draft "lie on the table" and then methodically edited Jefferson's primary document for the next two days, shortening it by a fourth, removing unnecessary wording, and improving sentence structure. They removed Jefferson's assertion that Great Britain had forced slavery on the colonies in order to moderate the document and appease persons in Great Britain who supported the Revolution.