The chances are <span>good that your name is "James Madison," since he was one of the leading Federalists along with Hamilton who was worried about the rise of "factions". </span>
It is most likely because he believed that they could cause unnecessary conflict... that is just my educated guess
Jefferson was a real by the book guy. He thought states should charter banks that could issue money. Jefferson also believed that the Constitution did not give the national government the power to establish a bank