I dont know all the answers but i know one and its
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B</h2>
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.
D bc that’s the right answer
He added copper rivets at the corners of the pockets to keep the stitches from tearing.