The Federalist Party of the United States was opposed by the Democratic-Republicans, including powerful figures such as Thomas Jefferson. The Democratic-Republicans mainly believed that: the Legislature had too much power (mainly because of the Necessary and Proper Clause) and that they were unchecked; the Executive had too much power, and that there was no check on the executive; a dictator would arise; and that a bill of rights should be coupled with the constitution to prevent a dictator (then believed to eventually be the president) from exploiting or tyrannizing citizens. The federalists, on the other hand, argued that it was impossible to list all the rights, and those that were not listed could be easily overlooked because they were not in the official bill of rights. Rather, rights in specific cases were to be decided by the judicial system of courts.

What was the federalist party of the United States opposed to?