I believe the answer is "C. tried to force people to improve their morals."
Hoover called prohibition the "Noble Experiment" because the goals (keeping families together, eliminating alcohol abuse) were deemed "noble". While these goals were never met, the nickname caught on.
When Thomas Paine wrote about reconcillation, he is referring to the colonies staying peacefully connected with Great Britain. This is in his writing or book, "Common Sense".
The answer or the missing phrase in your sentence is the second statement or choice.
Your answer would be all of the above.
The Mississipe culture adopted the Mexican central ceremonial plaza building style