The old industrial areas in the United States are mainly distributed in ()

The industrial distribution in the United States is mainly divided into three regions.

At the end of 19, the northern industrial zone once accounted for more than 80% of the national industrial production. Today, the northern region still plays an important role in the American economy. The northern area accounts for 1/4 of the country, but the population accounts for nearly 1/2 of the country, and the manufacturing industry accounts for 54% of the country (producing 3/4 of the country's steel and machinery, 4/5 of the cars, 90% of the total).

The southern region used to be a backward area in the United States, accounting for 1/4 of the national area and about 1/3 of the population, and the black population accounted for 53% of the national total. After the war, the southern economy developed rapidly, and industries such as oil, natural gas, aircraft, aerospace and electronics occupied an important position (more than two-thirds of the country's crude oil was produced here, 7/65,438+00).

The western region accounts for 1/2 of the national area (including Alaska and Hawaii), but the population only accounts for 1/5. The two world wars greatly stimulated the economic development of this area. Petroleum, chemical industry, shipbuilding, automobile manufacturing, atomic energy industry and aerospace industry (including aircraft, missiles and artificial satellites) have all reached a large scale. Nowadays, the western aviation and aerospace industries employ many workers.

industrial area

the Northeast area

The west of the country.

Southern region

Main resources

Coal and iron

Forests, metals

petroleum

traffic

Excellent ports along the Atlantic coast, convenient water transportation conditions of the Great Lakes and Mississippi River, etc.

Excellent ports along the Pacific coast and railways running through the United States.

Ports in the Gulf of Mexico and convenient railway transportation.

Major departments

Steel, automobile, chemistry

Electronics, aircraft, aerospace

Petroleum, aircraft, aerospace

industrial city

Chicago, Detroit, new york, Washington.

San Francisco, Los Angeles, Seattle

Houston, Atlanta, New Orleans, Dallas