Whose Reconstruction plan was toughest on the South? President Andrew Johnson Radical Republicans Southern Democrats President Abraham Lincoln

Answer: The correct answer is : Radical Republicans

Explanation: As Lincoln focused on uniting the nation, the reconstruction plans of radical Republicans focused on African-American rights. The part of the reconstruction plan of the radical republicans supported by Abraham Lincoln was the creation of a government agency to assist the war refugees.

The Radical Republicans. They have "radical" in their name for a reason