What amendment was the most important to the antifederalists?

The anti-federalists were instrumental in getting the Bill of Rights passed which guaranteed basic freedoms like freedom of speech and freedom of religion. The most important amendment, however, to the anti-federalists was the Tenth Amendment which gave any power not listed in the Constitution to the states.

could you send me the choices?

answer; ///i do believe that the correct answer is (b) ///middle colony