Generally speaking, yes, it is true that a person will understand the compressed language of a poem better if she brings her knowledge of areas such as history and mythology to that poem, since this will help her understand potential "hidden" themes.
Disagreements between the two formed early divisions within the government regarding policies on economics. They became the foundation for political parties as Hamilton wanted to have high trade tariffs and a centralized bank (Bank of the United States) and Jefferson wanted to concentrate on what would be good for the common man (the policies of the Democrat-Republicans).
<em> I would go with A, C is definitely wrong </em>