What could have caused u. s. imperialism?

a) the success of the russian-japan war and the colonies the united states saved.

b) the success of the spanish american war and the colonlies received from that victory.

c) the dangerous armament race in europe.

d) the u. s acquistion of alaska and hawaii.

Which factor has played the most important role in changing the way history is studied over time?

Which of the following was not an effect of westward expansion? a. native american tribes suffered confinement on reservations. b. native americans learned new techniques of irrigation. c. many native americans died from the spread of disease. d. natural resources were depleted from misuse by white settlers.

Unlike european immigrants, chinese immigrants in the 1800s faced