If one of the answers is machines then that is the answer
Explanation:
5 Issues at the Constitutional Convention. When the 55 delegates gathered in Philadelphia to revise the Articles of Confederation, there were several major issues on the agenda to discuss including representation, state versus federal powers, executive power, slavery, and commerce.

It was to gain equal rights.
Answer:
John quincy adams the secretary of state negotiated the treaty by acquiring florida from spain and setting a boundary between the U.S and new spain which is now mexico.
Explanation:
A. Robert E. Lee surrendered at the Appomattox Courthouse.