Answer:
The constitution gives to the senate the sole power to approve, by a two thirds vote, treaties negotiated by the executive branch.
It would be in "D. Haiti" that slavery ended with revolution than by government decree, since this was the result of a massive slave uprising that ended up ultimately being successful.
The answer would be unruffled, which means <span>not disordered or disarranged, (</span>something as not upset during a loud discussion). Hope this helps!
The Quakers founded Harvard university in 1636