Why Was the Bill of Rights an Important Part of the Constitutional

Why was the Bill of Rights an important part of the Constitutional ratification process?

A) Large states, including Virginia and New York, refused to ratify the Constitution until the Bill of Rights was added to it.
B) It addressed the concerns of Federalists, who believed that the Bill of Rights would help enumerate the powers of government.
C) It addressed the concerns of Federalists, who believed that a strong central government also needed to be flexible.
D) It addressed the concerns of Antifederalists, who were concerned that the Constitution did not protect states' rights against the intrusion of the federal government
E) It addressed the concerns of Antifederalists, who were concerned that the Constitution did not protect individual rights against the intrusion of the federal government.