The Mediterranean Sea! Hope this helped whoever needs it! :D <span />
Federalism is a form of government that divides sovereign power across at least two political units. In the context of the United States, power is divided among the national and state governments so that each government has some independent authority.
Shell shock is basically PTSD and it was thought to be caused by soldiers being exposed to explodeing shells
He wanted continued control over Eastern Europe for his own benefits rather than for its people trying to influence other countries into becoming communist as opposed to democratic, this became know as the Iron curtain, the official division between USSR-communist and the US- democratic as the USSR tried to expand and gain more control.