The following statements about American industrial and agricultural production are correct: (a) American traditional industries have developed rapidly in recent years; And (b) the production of many a

The following statements about American industrial and agricultural production are correct: (a) American traditional industries have developed rapidly in recent years; And (b) the production of many agricultural products in the United States. America is a highly developed capitalist country. After World War II, its total industrial and agricultural output value has been ranked first in the world. Since 1980s, American traditional industries have been facing fierce competition from emerging industrial countries, showing a declining state, and are called "sunset industries". Since the 1990s, emerging industries with high technology as the core in the United States have shown a vigorous development trend. America is a big agricultural country in the world. Its wheat, soybean, corn, milk and meat are among the top in the world. The United States is the country that exports the most grain in the world, but tropical agricultural products such as coffee, cocoa and natural rubber need to be imported in large quantities. Regional specialization of agriculture in the United States means that each region focuses on the specialized production of one or several agricultural products according to natural and economic conditions, and the cotton belt is distributed in the southeastern United States.

Therefore, choose: B.