The constitution convention was held in the state house of Philadelphia.
== Political parties didn't really come until after the Constitutional Convention. At the CC, everyone was in pretty much agreement that the Constitution had to be fixed, and fast. Of course, there were some differences, but the first political parties didn't evolve until Washington's presidency. In his presidency, two of his cabinet members, Alexander Hamilton (Treasury) and Thomas Jefferson (State), did not agree on anything at all and hated each other, and the first political parties, the Federalists and the Democratic-Republicans, were formed.
they thought that state governments should be more powerful than national governments.