The United States of America USA

• The United States of America (USA), commonly called the United States (US or U. S. ) and America, is a federal constitutional republic consisting of fifty states and a federal district.

• Area • - Total 9, 826, 675 km 2 [1][c](3 rd/4 th) • 3, 794, 101 sq mi • - Water (%) 6. 76

• At 3. 79 million square miles (9. 83 million km 2) and with over 315 million people, the United States is the third- or fourth-largest country by total area, and the third-largest by both land area and population. It is one of the world's most ethnically diverse and multicultural nations, the product of largescale immigration from many countries.

• The United States does not have a national official language; nevertheless, English (specifically American English) is the primary language used for legislation, regulations, executive orders, treaties, federal court rulings, and all other official pronouncements; although there are laws requiring documents such as ballots to be printed in multiple languages when there are large numbers of non-English speakers in an area.

• The United States of America is a country in North America. There are 50 states in the United States of America. • The biggest city in the USA is New York City, New York, which has over 8 million people. The second-biggest city in the USA is Los Angeles, California, which has almost 4 million people. The third-biggest city in the USA is Chicago, Illinois, which has nearly 3 million people.

• The national flag of the United States of America, often simply referred to as the American flag, consists of thirteen equal horizontal stripes of red (top and bottom) alternating with white, with a blue rectangle in the canton (referred to specifically as the "union") bearing fifty small, white, fivepointed stars arranged in nine offset horizontal rows of six stars (top and bottom) alternating with rows of five stars. The 50 stars on the flag represent the 50 states of the United States of America and the 13 stripes represent the thirteen British colonies that declared independence from the Kingdom of Great Britain and became the first states in the Union.