The United States of America (English: United States of America), referred to as "America", is a federal constitutional country composed of Washington, D.C., 50 states, Guam and many other overseas territories. Its main part is located in central North America. In the first edition of the CIA World Survey, the total area of the United States was 93,726,665,438+0996,65,438+0997, and it was revised to 9,630,000 square kilometers (plus the sovereignty of the United States in the Great Lakes, estuaries, harbors, inland seas and other coastal waters).
North America used to be where Indians lived. /kloc-At the end of 0/5, Spain, the Netherlands, France and Britain immigrated here one after another. 13 Before the 8th century, Britain established the13 British North American colony on the Atlantic coast of North America. 1775, the American people's war of independence broke out against the colonial rule of the British Empire. 1776 On July 4th, the Second Continental Congress was held in Philadelphia. George Washington was the commander-in-chief of the Continental Army and issued the Declaration of Independence, announcing the formal establishment of the United States of America. 1783 At the end of the War of Independence, Britain recognized the independence of 13 colonies. 1787, the constitution of the United States was passed, and a federal state was established.