Why were the republican radicals in congress opposed to lincoln's plan? it would not punish southern democrats in congress. lincoln was going to abolish slavery. it was too lenient, and congress wanted to control reconstruction.

Radical Republicans in Congress were opposed to Lincoln as they believed his plan for reconstruction were too lenient towards the South, given the wide swath of destruction that the Civil War had left throughout American society.

detente translated to english means politics

c, they united with once