What is the land area of the United States and the origin of the land area of the United States?

In terms of land area, America is the fourth largest country in the world. It spans the North American continent, facing the sea from east to west, from the Atlantic Ocean to the Pacific Ocean, and from the tropics to the north temperate zone. The only countries that are adjacent to each other on land are Canada and Mexico, and they are all interdependent, so there is no geopolitical risk.

As a result, nature has created the best national geographical conditions in the world, none of which. Americans claim that God gave them this land, and God bless America.

1776. At the beginning of the founding of the United States, only 13 States in the east faced the Atlantic coast. After driving out the British, the whole country continued to expand westward.

1803, the United States bought the whole Louisiana from Napoleon at a low price of 3 cents per mu, expanding its land area by more than 2 million square kilometers;

From 18 10 to 18 19, the United States seized Florida from Spain, with an area of15170,000 square kilometers;

1845 and 1853, the United States forcibly purchased nearly 2.5 million square kilometers of land from Mexico twice;

1867, the United States bought Alaska from Russia for $7.2 million, covering an area of1550,000 square kilometers;

1898, the United States acquired Hawaii with an area of 16700 square kilometers. In just over 100 years, the territory of the United States has reached 50 states, covering 9,372,600 square kilometers.

The large increase in land area has made the population of the United States grow rapidly. The endless opportunities created by the westward movement attracted a large number of foreign immigrants to the United States.

In this more than 100 years, there have been three high tides of immigration. During the period from1790 to1913, more than 33 million immigrants came to the United States.

From 18 12 to 1852, the population of the United States increased from 7.25 million to more than 22 million, and to 19 13, the total population of the United States exceeded 1 100 million.

At that time, a drama called The Melting Pot was staged on Broadway in new york, which caused a sensation.

A Russian Jew in the play said: "America is the melting pot of God, and all ethnic groups from Europe are merging and forming. All Germans, French, Irish, British, Jews and Russians, together with you, enter this melting pot, and God is casting Americans. "

The United States has become the largest immigrant country in the world, and laborers and high-end talents from all over the world are constantly flocking to the United States, where people of different colors, races and beliefs pursue their dreams. Today, there are still many people yearning for American green cards. The more wealthy dignitaries and social elites, the more they want to immigrate to the United States.