It is not A. I know because I got it wrong with this answer.
Your answer would be the first choice provided
The answers B and C on eda
The "Reign of Terror" is associated with France, since this describes the period of time shortly after the French Revolution, during which thousands of people were murdered.
The statement "insure domestic tranquility" would remind the states to work together cooperatively because they are the governing entities that can help to prevent domestic conflict.
