Answer:
I believe the party you are referring to is the Anti-Federalist Party. The Anti-Federalist party believed in a limited central government (like you said). Jefferson believed if government became too powerful it would become what they were trying to get away from (ex: monarchies such as Great Britain).
Answer: One of the most famous reasons for why certain delegates didn't sign was that the document lacked a legitimate Bill of Rights which would protect the rights of States and the freedom of individuals. Three main advocates of this movement were George Mason, Elbridge Gerry, and Edmund Randolph.
Explanation:
They didn't know that the world was round, at least some of them. The majority of people believed that the world was flat and that you could fall right off the edge.