Alexander Hamilton, and his idea of a central bank, was supported by the
party.
Federalists
Anti-Federalists

Explanation:

The Federalist Party:

Largely influenced by the ideas of Alexander Hamilton, the Federalists succeeded in convincing the Washington administration to assume national and state debts, pass tax laws, and create a central bank. ... Jefferson and his colleagues formed the Republican Party in the early 1790s.

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

yup! you are correct it is b.