Answer:
The main issue relating to Reconstruction that divided Republicans at the end of the Civil War was trying to figure out how to reunite the na-tion. President Lincoln and Congress were brainstorming how to reunite the nation even before the war was over.
Reconstruction Acts. Reconstruction Acts, U.S. legislation enacted in 1867–68 that outlined the conditions under which the Southern states would be readmitted to the Union following the American Civil War (1861–65). The bills were largely written by the Radical Republicans in the U.S. Congress.