kittycakelover02 kittycakelover02 13-11-2019 History contestada In the South during the late 1800s, grandfather clauses prevented... A) Most white Southerners from voting because their grandfathers were slaveholders. B) Most white Southerners from voting because their grandfathers were in the Confederate army. C) Most African Americans from voting because they could not avoid poll taxes or literacy tests. D) Most African Americans from voting because their grandfathers were not able to read.