Critic means:
O
claimant
O colleague
Cultivator

the most fitting one is Claimant

Critic is someone who gives their opinion on something, that could be friendly or harsh. Claimant means someone who makes a claim.

I'm probably wrong, but that is my best guess

no

the statement that best explains why the tenth amendment reserves some rights and powers to states is that the framers believed in the principle of federalism. this principle says that some powers are in the hands of a centralized national government, while others are reserved for the governments of several states.