The Ku Klux Klan? A. terrorized blacks and white Republicans to keep them from voting in elections.

B. wanted Samuel Tilden to be president and opposed the election of Rutherford B. Hayes.

C. protested against a literacy test that made it more difficult for freedmen to vote.

D. were Southerners who supported freedmen's rights by establishing the Freedmen's Bureau.

I am certain the answer is A. terrorized blacks and white Republicans to keep them from voting in elections.

so they can differentiate themselves from others as they saw themselves as the superior race. the star was basically a symbol that meant you are a less of a person than i am because of my race. the star was also degrading for those who had to wear it because they were aware of this and the nazis used the notion to make them feel less like a person.