During the Annapolis convention that was held in Maryland, in 1786, in which twelve delegates came from five states to seek a solution to the fundamental issues concerning lack of interstate economic cooperation. They eventually agreed to the further extensive Constitutional Convention which was later held in 1787 in Philadelphia.
Hence, in this case, the correct answer is "Constitutional Convention in Philadelphia"
In January 2016, the University of Virginia announced its Gallows Hill Project team had determined the execution site in Salem, where the 19 "witches" had been hanged.
