What is an important us event from the domestic arena that occurred during the cold war? what is its importance?

I think the answer you are looking for is the Red Scare in 1947-1956 which led to fear in everyday families about the rise of communism, and it caused everyday people to become active in the war at home.

The case was a u.s. supreme court decision that defined the scope of the u.s. congress's legislative power and how it relates to the powers of american state legislatures. the dispute in mcculloch involved the legality of the national bank and a tax that the state of maryland imposed on it.

That really sucks, but i don't know who your leader is, and i don't want to write that much