Final answer:
The United States' involvement in World War II after the impact of the Great Depression and World War I.
Step-by-step explanation:
The subject of this question is History. The question refers to the United States' involvement in World War II after the impact of the Great Depression and World War I. The United States initially distanced itself from events in Europe but was once again embroiled in the war. The war had a profound impact on the United States, both economically and socially, but also brought about new opportunities for ethnic minorities and women.