Final answer:
Yes, George Mason was a leader for the Anti-Federalists and played a significant role in getting the Bill of Rights added to the Constitution.
Step-by-step explanation:
Yes, George Mason was a leader for the Anti-Federalists and played a significant role in getting the Bill of Rights added to the Constitution. Mason was a delegate to the Constitutional Convention and voiced his concerns about the lack of a bill of rights in the Constitution. Although his ideas were not initially incorporated, James Madison, another Virginian and Founding Father, worked to pass amendments that would protect citizens' rights during the First Congress in 1789.