How did the Redeemers restrict the voting rights of blacks in the late

How did the Redeemers restrict the voting rights of blacks in the late 1870s and early 1880s?

a. Blacks were not allowed to vote at all and were kept away from the polls.
b. Any blacks voting for Democrats had their votes discarded.
c. If blacks tried to vote for Republicans, they were intimidated and threatened.
d. Blacks could only vote if they paid a fee to the Republican candidates.
e. Blacks risked losing their jobs if they tried to vote for any non-Republican candidates.

ANSWER
C