The original inhabitants of North America were Indians. 16-18th century, the western European countries that were conducting primitive accumulation of capital invaded North America one after another. By the middle of18th century, Britain had established 13 colonies on the Atlantic coast of North America.

Delaware, Pennsylvania, New Jersey, Georgia, Connecticut, Massachusetts Bay, Maryland, South Carolina, New Hampshire, Virginia, New York, North Carolina, Rhode Island and Providence.

The economy, culture and politics of the colony are relatively mature. However, there was a rift between the colony and Britain, and Britain continued to adopt a high-handed policy toward North America, causing strong dissatisfaction among North American residents.

1At the end of 773, the Boston Tea Party was dumped by the anti-British colonists. 1774, 13 representatives of three states gathered in Philadelphia to hold the first continental congress, hoping to solve the problem peacefully with Britain. But the British king insisted that the colony must unconditionally submit to the British king and accept punishment. 1775, the war was ignited in Lexington, Massachusetts, and the North American War of Independence broke out.

1776 On July 4th, the Continental Congress adopted the Declaration of Independence drafted by Thomas Jefferson, proclaiming the birth of the United States. Thirteen States in North America, under the leadership of Washington, won the War of Independence through the hard struggle of the North American people. Finally,1On September 3, 783, Britain and the United States signed the Paris Peace Treaty, and Britain recognized the independence of the United States. America was officially born.

American historical development independence movement

1787 Philadelphia held a federal meeting, and Washington was promoted to chairman. The meeting decided that the national government has the power to levy taxes, mint coins, adjust commerce, declare war and conclude treaties, and at the same time adopt Montesquieu's principle of separation of powers, and the three institutions of legislation, administration and justice check and balance each other.

1812-1815 years, Britain invaded the newly established United States again, which is known as the Second American War of Independence. After the war, American States became more United.