United States of America

United States of America (English: United States of America; pronunciation: United States of America) North America continental fifty state, a federal district and consists of five autonomous regions federal constitutional republicThis country is also known as “America.” Forty-eight states located in the middle of the North American continent and The capital is the Washington D.C. region the United States mainland west tranqui and before Atlantic Ocean located in the middle; to the north of this region Canada and in the south Mexicothe . United States Alaska The state is located in the northwest corner of the North American continent; Canada and the west on the eastern border of Alaska Bering Method over Russia located Hawaii The state is located in the Middle Pacific region archipelago.also Caribbean Five in the ocean and Pacific Ocean territory under the United States.

The United States has an area of about 98.3 million square kilometers (37.9 million square miles). The population of the country is about 328 million square kilometers.^[9] The United States is the third or fourth largest country in the world in terms of overall area, and the United States is the third largest country in the world in terms of land area and population. The United States society is the most diverse in the world. multinational society। Migration of people from many countries to different nations As a result, the United States today is a polyculic country^[10] the United States economy The world's largest national economy. In 2008, the country's estimated GDP The rate was 14.4 trillion US dollars (a quarter of a nominal global GDP and purchasing power equality one fifth of the world's GDP).^[11][12]

the primitive inhabitants of America perhaps of Asian descentthe . They have been living in the United States for thousands of years, however. Native Americans demographic European colonization Since then, the epidemic and warfare has been greatly reduced. Atlantic Ocean shore North America thirteen British colonies The United States was formed on July 4, 1776. These colonies were a Declaration of Independence By this declaration the colonies declared their right to self-determination and established a cooperative. America's War of Independence These rebellious states to Great Britain overcome. This was the war In the history of colonialism The first successful colonial independence war.^[13] September 17, 1787 California Convention current The U.S. Constitution The United States became a single republic with a strong central government when the Constitution was signed the following year. amendment of the constitution rich Bill of Rights multiple Basic Civil Rights and Freedom ensures

United States in the 19th century France, Spain, UK, Mexico and Russian acquired land from and the Republic of Texas and Republic of Hawaii took possession of the rights of the states in the 1860s and the spread of slavery centered Rural Southern and industrialized northern disputes of a civil war The conquest of the northern regions made it possible to prevent the country's perpetual divisions, and slavery in the United States was abolished, and in the 1870s, the US economy won the world's largest economy.^[14] Spain-US war ও First World War The United States was established as a military force. second world war This country emerged as the first nuclear powered state and United Nations Security Council gain permanent membership. Cold War at the end and After the collapse of the Soviet Union The United States is the only one in the world in a powerful state It is the country that has the world's largest economic, political and cultural powers, which is currently one of the world's major economic, political and cultural powers.^[15] The American economy in the 1930s and the first decade of the 21st century.‘Economic Great Depression‘or is accepted by ‘Great Depression'.