The main way in which the Radical Republicans tried to protect the rights of african americans was by ensuring that the military was stationed in the South to overlook the transition process for many African Americans into society. Unfortunately this ultimately failed.
It further showed the influence that the church had on the crown.
It showed that the papacy didn't mind going to war for what they wanted.
It rallied the country together for a common cause, looking up to the papacy.
A lot of things are necessary to make sure your work won't be seen as plagiarism. For example it is useful to keep research notes that show your work flow. If you do use other sources, make sure to cite them and especially If you quote them make sure you use citation marks and give the source.
Oh i know this one its Patrick Henry