Answer:
To ensure ratification by all states, supporters of the Constitution (Federalists) agreed to add a group of amendments that would serve as the Bill of Rights. Many against the Constitution ( Anti-Federalists ) refused to ratify unless such individual rights were protected.
Explanation:James Madison wrote the amendments, which list specific prohibitions on governmental power, in response to calls from several states for greater constitutional protection for individual liberties. ... Anti-Federalists held that a bill of rights was necessary to safeguard individual liberty