Answer:
The Constitutional Convention (also known as the Philadelphia Convention, the Federal Convention, or the Grand Convention at Philadelphia) took place from May 25 to September 17, 1787, in the old Pennsylvania State House (later known as Independence Hall because of the adoption of the Declaration of Independence there.
Delaware, Pennsylvania, Massachusetts, New Jersey, Georgia, Connecticut, Maryland, South Carolina, New Hampshire, Virginia, New York, North Carolina, and Rhode Island
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