s of America, the abbreviation of the United States . U.S.A. The United States the country is divided into fifty states and a special economic zone, says Columbia, namely of District then to Washington, D.C. is located. Among them there are 48 states in domestic, and two other "overseas state", which is located in the north American continent northwest Alaska) and is located in Alaska (in the northern Pacific Ocean of Hawaii . In addition, there are some American territory and trust. The land covers an area of 937.1 square kilometers, after the former Soviet union, Canada and China, ranked fourth place.
The Appalachian mountains


In the Rocky Mountains and the Cascade, Sierra Nevada Mountains, separated by plateaus and basins. Bordering the north and one in Canada is British Columbia Plateau, the middle is the Great Basin, southeast of the Colorado Plateau. The grand canyon is here, now bi "grand canyon national park," is also a recreational area.
terrain

Rockies land

Rockies

Rocky Mountains from the northern New Mexico, after Canada extended to Alaska. This tall mountain ranges form the backbone of the North American continent, and the Great Dividing Range is across the Rocky Mountains. This is a watershed in the Pacific and the Atlantic Ocean.
American situation
The United States on July 4, 1776, independent, rely on north American advantageous natural conditions and continuous outward expansion of its territory, and after a century of time capitalist economy of rapid development, now has a monopoly capitalism highly developed countries in the world today, is also abundant economic strength and productivity level highly developed capitalist countries.
land

U.S. land can be divided into seven main areas: (1) Appalachia (2) the coastal lowland, (3) Central Plains Region, (4) Ozark Mountains, (5) Rocky Mountains, (6) western grasslands, basin, (7) Pacific coast lowlands.

Natural geographical

The main part of the homeland in the central North America, the east coast in the west Pacific, Atlantic ocean, with 49 north latitude. And five great lakes and Canada as a border, NaLian Mexico, southeast gulf and the west Indies between distantly faces. Native and China's latitude basic same, belong to the north temperate zone, reason climate and China also have similarities, in addition to coastal areas outside, majority is in hot summer and cold winter of continental climate.

The United States & Natural Conditions



Position and area Surface Regions and landforms Climate & weather Land Resourse Rivers & Lakes Forests Mineral Resourses