That would be the principal of federalism
Answer:
Giving the north hope and reason
Explanation:
The north was starting to give up and the procomation gave them a new reason to fight.
It reflected in the structure of the federal government by making it balance which means that each arm of government is not powerful than others.
The fear of communism was a real thing because it was basically a witch hunt for a witch that didn't really exist. Everyone was afraid of communism, there was propaganda posters that scared americans and it created a new term called mcCarthyism.
