Whoever answers this gets twenty points

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.

What was a major cause of world war i?

The pullman strike resulted in eugene debs receiving a pardon for his involvement. the company losing very little money. the company rehiring workers that withdrew from the union. other companies handling strikes themselves instead of going to court.