How Did the North Aid in the Disenfranchisement of Blacks

How did the North aid in the disenfranchisement of blacks in the South?

A) The North pushed not to include the South in the women's suffrage amendment.
B) Northern senators acquiesced when Congress defeated a voting rights bill.
C) Northern politicians wanted to send troops to ensure that only poor whites could vote.
D) Northerners asked for the Fourteenth Amendment to be rescinded.
E) Northern politicians told blacks to move to the North if they wanted to vote.