Why were the radical republicans able to push their own plans through the
government?
o
a. they used an army to make people join their side.
b. the election of 1866 gave them control of both houses of
congress.
o
c. the supreme court decided they were right about everything.
o
d. president johnson agreed with their ideas and pass their
laws.

The Radical Republicans able to push their own plans through the  government because the election of 1866 gave them control of both houses of  Congress.

Option B

Explanation:

Radical Republicans never accepted to Lincoln's plan. They thought that Lincoln was being lenient and blocked his moderate approach with the help of Congress. Since they were the congress's minority party. After the assassination of Lincoln, Andrew Johnson took the presidency.

The Radical Republicans didn't even like Johnson since he had views over the society the same as Lincoln did. Meanwhile, the congress was passing the radical legislation more and more. The 1866 election bolstered the vision of Radical Republicans since lot Republicans took seats in the Congress.

the answer would be a i think?

your answer would be (b)