What is the English vocabulary of ordinary Americans?

The relevant introduction of the United States is as follows:

The United States of America (hereinafter referred to as the United States), the capital of Washington. Located in central North America, it borders Canada in the north, the Gulf of Mexico in the south, the Pacific Ocean in the west and the Atlantic Ocean in the east. Most areas have a continental climate, while the south has a subtropical climate. The terrain is generally high in the west and low in the east, rich in natural resources, and the total proven reserves of mineral resources rank first in the world.

With a total area of 9.37 million square kilometers and a coastline of 22,680 kilometers, the United States is divided into 50 states, 1 SAR (District of Columbia) and 3 143 counties. As of August 20021,15, the total population of the United States was about 333 million, with non-Hispanic whites accounting for 57.8%. Most residents believe in Christianity and Catholicism and speak English.

The United States was originally inhabited by Indians. /kloc-At the end of 0/5, Spain, the Netherlands, France and Britain began to immigrate to North America. By 1773, Britain had established 13 colonies. 1775, the war of independence broke out. 1776 On July 4th, the United States of America was formally proclaimed by the Declaration of Independence.

1787 enacted the federal constitution, with slave states in the south and free states in the north. 1865 after the civil war, the United States began to fully implement capitalism. After the founding of People's Republic of China (PRC), its territory almost expanded by 10 times.