Guys , i already got 2 questions wrong and if i get another one wrong then i won’t pass

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 clause of the treaty of versailles in particular left the germans feeling like they were “stabbed in the back? ” by the victors?

Pl hell mafter the civil war which president was called a "carpetbagger"? a. lincolnb. johnsonb. grant