Territorial evolution of the United States 1976, the transferred land was minuscule (ranging in size from 1 acre to 646 acres) and uninhabited. 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
Japanese declaration of war on the United States and the British Empire as a pretext for imperialism. In response, the U.S. imposed an oil embargo on Japan in August 1941 to stop aiding their aggression in Asia and to contain Japanese actions such as their war crimes in Nanking. Japan saw this as a hostile and provocative act, and retaliated with the bombing of Pearl Harbor and the declarations of war on the US and the British Empire. Japanese declaration of war on the United States and the British Empire The declaration of war by the Empire of Japan on the United States and the British Empire was published on December 8,