how did the U.S. become a global powerhouse?

Question

Excuse my poor history knowledge, but the Europeans sailed here to find new lands, settled, and then after generations, they were overthrown by their descendants. The British empire still ruled around the world for centuries yet, the U.S. arguably is in a better state of economics, military, and such.

In: 13

Answer 1

Wwii eliminated most of the competition, and the war effort transformed the country into a manufacturing powerhouse. Also, the Bretton woods agreement locked us in.