Describe america's role in world war 1

What was the main argument of plessy in plessy v. ferguson

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 is an effective question for launching history inquiry related to the cold war