What was February revolution in Petrograd ?

What would lead a historian to consider two events to have a relationship of correlation rather than causation?

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.

How did the bourbon democrats feel about the state money and what were some ideas that the democratic party emphasized that allowed them to appeal to voters