No, it is false that once King Hammurabi had conquered Babylon, he isolated himself and his territory from the rest of Mesopotamia, since he was actually one of the most "active" kings of his day in that he injected himself into the affairs of surrounding territories.
Andrew Jackson was the 7th president
"popular sovereignty" which really just allowed settlers of the territory to decide whether slavery would be banned within their new state's border. Causing many people to rebel including the KKK.<span />