What was a key difference between President Johnson’s Reconstruction Plan and the Radical Republicans' Plan?

A. - Johnson’s plan required 50% of voters to swear loyalty to the Union.
B. - The Radical Republicans' plan was more lenient towards the rebelling Southern states.
C. - Johnson’s plan did not require states to ratify the 14th Amendment.
D. - The Radical Republicans' plan had much harsher conditions for reentry into the Union.