How did Lincoln’s assassination change the nature of Southern Reconstruction?

Plans to pardon former Confederates were abandoned in favor of incarcerating former slave owners.

Johnson’s Reconstruction plan made it more difficult for Southern states to reenter the Union.

Lincoln’s Ten Percent plan to reintegrate Southern states into the Union was nullified.

The Radical Republicans viewed Lincoln’s assassination as an opportunity to reject his plan.

D?

2 answers

I believe it may have been a harder reconstruction because Lincoln wanted the states to go without punishment, and wanted them to re-merge with the union quickly, but someone else may have wanted to punish them.
The correct answer is "Lincoln’s Ten Percent plan to reintegrate Southern states into the Union was nullified."