How did Andrew Johnson affect Lincoln's reelection bid in 1864?
A. He had ties to the North, which helped Lincoln win over Democrats.
B. He had ties to the South, which helped Lincoln in his promise to reunite the nation.
C. He was always against enslavement, so it made Republicans confident that Lincoln was going to abolish enslavement.
D. He supported the Confederacy, which made Lincoln popular in Southern states.