Final answer:
The Anti-Federalists believed that the national government holds too much power compared to individual states.
Step-by-step explanation:
The group that believed that the national government holds too much power compared to individual states is the Anti-Federalists. The Anti-Federalists were opponents of the proposed United States Constitution and believed that it would create a strong central government at the expense of state power. They argued that individual states should have more autonomy and that too much power in the hands of the national government would lead to a loss of liberties.
Learn more about Anti-Federalists and the balance of power between national government and individual states