Question

Which group believed that the new Constitution did not give enough power to the states? Federalists Anti-federalists

Answer 1

The answer to your question is Anti-federalists. ;)

Answer 2

The group which believed that the new Constitution did not give enough power to the states is: Anti-Federalist

The federalist believe that the central government should have total supremacy over the states while the anti-federalist believe that the states should be given their own autonomy to regulate their own territories.

Anti-federalist view the new constitution would give the central government with too much power and would threaten individual liberties of american citizens.