Why do all of you answer incorrectly

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

Who led the veterans administration after the war? a) omar bradley b) harry s. truman c) ernie pyle d) george marshall

30 in 1566 the i belonged to spain. ii rebelled against spanish rule. iii was in independent country. iv was made up of both catholic and protestant provinces.