I’m almost positive it’s the first one. In my opinion it’s gotta be A
I'm not really sure of the specifics your asking for, but one answer could be:
One branch: The legislative branch
He is referring to being an extremist in the political manner.
South America I'm not sure but I believe it's south America
Answer:
The Anti Federalists opposed ratifying the Constitution because they believed it gave too much power to the federal government.