The United States of America commonly referred to as the United States, the U.S., the USA, or America is a federal constitutional republic comprising fifty states and a federal district.
The usa is situated mostly in central North America, where its forty eight contiguous states and Washington, D.C., the capital district, lie between the Pacific and Atlantic Oceans, bordered by Canada to the north and Mexico to the south.
The state of Alaska is in the northwest of the continent, with Canada to the east and Russia to the west across the Bering Strait. The state of Hawaii is an archipelago in the mid Pacific. The country also possesses several territories in the Caribbean and Pacific.
At 3.79 million square miles 9.83 million km2 and with about 308 million people, the United States is the third or fourth largest country by total area, and the third largest by land area and population.
It is one of the world most ethnically diverse and multicultural nations, the product of large scale immigration from many countries. The usa economy is the largest national economy in the world, .
Indigenous peoples, probably of Asian descent, have inhabited what is now the mainland United States for many thousands of years.
This Native American population was greatly reduced after European contact by disease and warfare. The United States was founded by thirteen British colonies located along the Atlantic seaboard. On July 4, 1776, they issued the Declaration of Independence, which proclaimed their right to self determination and their establishment of a cooperative union.
A map is a visual representation of an area a symbolic depiction highlighting relationships between elements of that space such as objects, regions, and themes.
Many maps are static two dimensional, geometrically accurate representations of three dimensional space, while others are dynamic or interactive, even three dimensional.
Most commonly used to depict geography, maps may represent any space, real or imagined, without regard to context or scale. Brain mapping, dna mapping, and extraterrestrial mapping.
Cartography, or map making is the study, and often practice of crafting representations of the Earth upon a flat surface, and one who makes maps is called a cartographer.
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