America has a history of more than 240 years. America was born from 1776! Up to now, there is July 4th 1776 (American Independence Day). The Continental Congress formally adopted the Declaration of Independence in Philadelphia. After the war of independence,1September 3, 783, the United States and Britain signed the Treaty of Paris, which was recognized by all countries in the world.

Characteristics of the United States

The United States of America is a constitutional federal republic, consisting of fifty states and a federal special administrative region, bordering the Atlantic Ocean in the east, the Pacific Ocean in the west, Canada in the north and Mexico in the south. The United States is a multicultural and multi-ethnic country; Its land area exceeds 9.62 million square kilometers, ranking third or fourth in the world. The total population exceeds 300 million, ranking third in the world.

1776 On July 4th, the Continental Congress formally adopted the Declaration of Independence in Philadelphia, announcing the birth of the United States. Since 1870, American national economy has been ranked first in the world. The United States is one of the five permanent members of the United Nations Security Council. Today, its gross domestic product exceeds 20% of the world's, and its great influence in economy, science and technology, entertainment and many other fields leads the world. It is the only superpower in the world.