A brief introduction to American history: 400 words

A brief introduction to the history of the United States: The full name of the United States is the United States of America (English: United States of America). It was originally a British colony and gradually emerged as a powerful country due to various factors.

The original inhabitants of North America were Indians. From the 16th to the 18th century, Western European countries that were engaged in primitive accumulation of capital successively invaded North America. By the mid-eighteenth century, thirteen colonies had been established on the Atlantic coast of North America. The economies, cultures, and politics of the colonies were relatively mature. ?

However, a rift developed between the colonies and Britain. Britain continued to adopt a high-pressure policy towards North America, which aroused strong dissatisfaction among the residents of North America. From 1776 to 1783, thirteen North American states achieved victory in the War of Independence under the leadership of Washington. The United States was officially born, and a series of democratic political laws were enacted. Gradually become a completely independent national sovereign state. ?

After independence, the United States actively carried out territorial expansion, and its territory gradually expanded from the Atlantic coast to the Pacific coast. The economy has undergone significant changes, with the northern and southern economies developing in different directions. The contradiction between the north and the south is getting worse day by day. From April 1861 to April 1865, the war between the South and the North of the United States was also called the American Civil War. In the end, the bourgeoisie led by the North won and unified the country. Extended information

The United States was originally a settlement of Indians. At the end of the 15th century, Spain, the Netherlands, France, the United Kingdom and others immigrated here one after another. Before the 18th century, Britain established 13 British North American colonies on the Atlantic coast of the United States. In 1775, the American people's War of Independence broke out against the colonial rule of the British Empire.

On July 4, 1776, the Second Continental Congress was held in Philadelphia. George Washington, commander-in-chief of the Continental Army, issued the Declaration of Independence, declaring the formal establishment of the United States of America.

The War of Independence ended in 1783, and Britain recognized the independence of 13 colonies. In 1787, the United States Constitution was adopted and a federal state was established.

From 1861 to 1865, the Civil War broke out in the United States. Abraham Lincoln led the free states of the North to victory over the slave states of the South. From 1803 to 1959, the territory continued to expand through purchases and wars.

The United States is a highly developed capitalist country. In the two world wars, the United States and other allies achieved victory. After decades of Cold War, it became the only superpower after the collapse of the Soviet Union. It is a world leader in economic, cultural, industrial and other fields.

The United States is the second largest country in the Americas, and its territory includes the continental United States, Alaska in northwest North America, and the Hawaiian Islands in the central Pacific.

It covers an area of ??9,372,610 square kilometers (including 9,158,960 square kilometers of land area and about 200,000 square kilometers of inland water area). If you add the approximately 170,000 square kilometers of the US sovereign part of the Great Lakes, estuaries, harbors, and inland seas The coastal water area is about 100,000 square kilometers, with an area of ??9.63 million square kilometers. If only land area is included, the United States ranks third, behind Russia and China, and before Canada.

Baidu Encyclopedia-United States