What Did Republican Rutherford B

What did Republican Rutherford B. Hayes promise in order to win the election of 1876?

A) He promised he would allow redemption to occur in South Carolina, Florida and Louisiana.
B) He promised blacks that they would win their right to vote, although he never followed through.
C) He promised that he would add more slave territory to the United States, at whatever the cost.
D) He stated that he would work specifically to deny blacks rights, and push them back into a semi-slavery status.