The most prominent American monument that reflects the influence of Roman sculpture and or architecture is actually The White House which represents many features that we get from Roman architectury, especially such traits as columns that are still popular nowadays.Romans were the first who employed democratic style of government and they were role model that lead us to creation of a government like that one we have today.
The form of a word (sounds, letters, characters etc) and it’s relationship with the meaning is called arbitrary :)
The correct answer would have to be B didactic
I think the answer is going to be c