7th grade help me plzzz

I’m annoyed but glad that my history teacher left and quit her job as a teacher to become a flight attendant

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