Please I need help with this problem

What is one way southern democrats denied african americans voting rights? a) poll taxes b) constitutional amendments c) bribery d) negative campaigning

Which of the following is an example of one of the successes of the marshall plan? a. a few eastern european countries decided to turn to democracy. b. western european economies were stronger than they had been before wwii. c. borders between western and eastern european countries shifted. d. eastern european countries eventually took part in the plan. ( answer in the format above so i can understand)

Which is the best description of a scorched earth policy? the burning of fields in preparation for planting the destruction of an opponent’s resources the mobilization of a nation’s resources in war the effort to switch from farming to manufacturing