Which of the following countries were part of the eastern bloc? check all that apply.

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.

Which two important economic activities in the west are possible because of the united states natural resources

In 1819, what did the united states obtain from spain for $5 million?