Claims that a state in theory has the right to nullify or invalidate and federal law that state deems unconstitutional.
By the mid-1800s The Mason-Dixon Line was the term to describe the rough divide between free and slave states, correct me if I'm wrong please, thank you
Answer: I think the answer is B
Explanation: hope this helps :D
This particular Son of Liberty was Paul Revere.
South Vietnam surrendered after Saigon fell.