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
Economic history of the United Kingdom manufactured goods were sold around the world, and raw materials and luxury goods were imported to Britain. During the Industrial Revolution the empire became less important and less well-regarded. The British defeat in the American War of Independence (1775–1783) deprived it of its largest and most developed colonies. This loss brought a realisation that colonies were not particularly economically beneficial to the home economy. It was realised that the costs of occupation of colonies often exceeded the financial return to the taxpayer. In other words, formal empire afforded no great economic benefit when trade would continue whether the overseas political