Answer A its true of the economy of the east
Hamilton was seen as a person who favored more power obtained by the central government. This means he was in favor of things like a national bank, less state rights, and less of an ability for freed slaves to vote (because federalists were also democrats). Jefferson, on the contrary, was an anti-federalist. He feared that excess central power would infringe on the rights of the states, and so to avoid this, he did as much as he could to retain state rights. He also believed central government authority gave more power to the upper class (wealthy whites) than it did to the common man (poor whites, freed slaves).
The question can be classified as to what purpose they will use their power. Either for selfishness or selflessness. For selfishness, they are corrupt and will make their people suffer. For selflessness, they will try to find answers or solve common issues for the people and or for the country.
It was a major railway centre
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They thought the best way to avoid being dominated is to destroy them before they can destroy them.