Answer:
Radical Republicans were upset about both plans because they wanted to destroy all political power of farmer slave owners. They were known as "radical" republicans because they wanted to give full citizenship for African Americans so can have the right to vote.
C.
Article One of the United States Constitution establishes the legislative branch of the federal government, the United States Congress. ... Article One's Vesting Clause grants all federal legislative power to Congress and establishes that Congress consists of the House of Representatives and the Senate. - Wikipedia