Which constitutional amendment was adopted to address the antifederalists’ concerns that a strong central government would encroach upon the power of the states?

The biggest reservation of Anti-Federalists on the constitution was the potential abuse that the central government can do. That was why there was an addition of Bill of Rights in the constitution. The Bill of Rights would protect individuals from the possible abuse of national government. 

answer; /// slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final

c or d both can be the answer