Boston: Harvard, MIT and many other famous schools. Located here.

Chicago: the third largest city in the United States, the northern financial and futures transportation center. Nicknamed "windy city"

Seattle: The headquarters of Boeing and Starbucks Coffee, where Microsoft was born.

Detroit: The headquarters of Motown, General Motors, Ford and Chrysler. Due to the economic crisis, the city has declined a lot.

Philadelphia: the city of revolution, where the American Declaration of Independence was promulgated. Its position in the United States is equivalent to Yan 'an in China.

The above rankings are in no particular order.

Add some points, typing is very tired!