Describe what the term radical republicans means. do you agree that these people should
be called "radical"?

Radical republicans are a faction of republicans who mostly favored repressive measures and aggressive towards the southern states during the civil war. They were mostly contradicted by the moderate and conservative republicans.

Explanation:

They are the faction of politicians who undertook aggressive and harsh measures against the southern states during the civil war. they believed that the confederate leaders were responsible for instigating the civil war and intended the confederate leaders to be punished. they also need the emancipation of the slaves and to make republic party in power in both north and south.

Radical republicans were  against the principles of emancipation declaration by Abraham Lincoln which was too lenient towards the south. This was in fact became the cause of the assassination of Lincoln. He was

answer is :

many churches split during the movement.

new religions grew in popularity.