The expansion of the rail networks led to what?

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.

During the cold war, the united states was involved in certain regional conflicts due to fears later called the domino theory, which stated which concept?

Which significant event in texas history occurred in 1876?