The main purpose of the amending process described in Article V of the Constitution is to permanently protect the people of the nation from unreasonable amendment proposals and ratifications.
If the word to be underlined was populace, the answer would be D. The inhabitants of a city or region. If the word to be underlined was officials, the answer could be any/all of the above.
The answer to your question is c. Republic
The Federalists, led by Alexander Hamilton, were against the purchase of this territory because they wanted the states united by a strong central government, which would be difficult with state so far away.