During the industrial revolution what was the work schedule of factory employees

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.

Select all the correct answers. what were two effects of the french revolution in france?