Where did the fighting begin between the North and the South?

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 of these belongs to the united states after the spanish american war ?

Answer correct get brainliest and 20 points