The correct answer to this open question is the following.
On May 16, 1868, US President Andrew Jhonson was elated after the US Senate had acquitted him during his impeachment trial. After the vote, 35 senators voted guilty and 19, not guilty on the 11th article on impeachment.
This made President Jhonson to me more confident that 10 days later, on May 26, 1868, the Senate would again favor him And so it was. The votes were identical. 35 senators voted guilty and 19, not guilty on the 2nd article of impeachment.
The reaction of the radical Republicans was one of anger for the decision made in Congress. Let's remember that Radical Republicans always had major differences with President Johnson in different areas, such as the way to order Reconstruction in the southern states.
I think the answer is letter a. David Wilmot.
It is because Wilmot was known as the instrument in establishing the Republican Party in Pennsylvania and a driving force in the formation of the Republican Party.
This is a little tricky but if i had to say, the answer would be A ^-^ The Civil War still hadn't been that long ago, so people of different races still didn't have the same rights as the whites (hence segregation)