The triangle stopped first at the the West Indies from Africa where most slaves were pulled off board, then sent on to ports such as New Orleans to be sold. In this context, the closest would be A.
The number one Middle Eastern ally to the US during Operation Desert Storm, or the Persian Gulf War, was Kuwait. Despite its small size, Kuwait provided an immense portion of the oil in the U.S. In return, the U.S. fought for Kuwait when it was invaded and annexed by Iraq.
Because the French had offered ai during the revolutionary war and their revolution seemed to embody the ideals of the American revolution.