What was the prevailing economic challenge in the united states face that started world war ii

The US around the 1940's were facing the Great Depression. At first they did not want to enter World War II. But when Japan bombed Pearl Harbor, they could not let an attack like that go unchallenged. The US went to war, and were able to pull out of the Great Depression.

Contributing factors  leading  to the harlem renaissance were the great migration of african americans to northern cities, which concentratedambitious  people in places where they could encourage each  other, and the first world war, which had created new industrial work opportunities for tens of thousands of people.