The Anti-Federalists refused to ratify the Constitution until the Bill of Rights were added. What was the main purpose for the addition of the Bill of Rights?

A. to prevent war with France.

B. to settle the dispute over counting slaves towards a states' representation.

C. to restate the supremacy of the federal government over the state governments.

D. to serve as a protector of individual and states' rights against the federal government. ​