I think it is B. Fait money only has value as a medium of exchange but idk put it and see if im right I researched it and got that so let me know if im right :)
After the civil war the single political entity was confirmed which led to more than four million enslaved Americans being freed. A more established federal government was also a consequence of the civil war.
I think the answer is: D. <span>Determine whether or not the claim has been made before.
Hope this helps!</span>