What helped America transform from a war time economy to such a high level of success in post war times?

The map makes it clear that after world war ii, korea was a a) part of china b) divided country c)part of japan d)unified country

European imperialism in the 19th century was largely motivated by a desire to: o a. assert power over other parts of the world. b. end the racist policies practiced in many foreign countries. o c. defend europe from aggressive foreign armies. d. relocate ethnic and religious minorities within national borders.

Which of the following phrases best describes american society in the early 1900s