Answer:
A Bill of rights
Step-by-step explanation:
Since Massachusetts, Virginia and New York had anti-federalist delegates, they believed that it was needed to be a bill of rights to protect peoples individual rights and liberties, so for federalists to have the approval of the anti-federalists, they promised that as soon as the constitution was ratified, they would make a bill of rights, so the anti-federalists agreed and the constitution was passed in September 17th, 1787.
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