Nikita Khrushchev {Ans: Communist Soviet leader of the 1950s and 1960s; Cuban Missile Crisis of the Cold War; he built up the nuclear stockpile of the Soviets}League of Nations {Ans: An organization of nations formed after World War I to promote cooperation and peace; it was the idea of US President Woodrow Wilson; failed to stop WWII}Decolonization {Ans: The collapse of European colonial empires. After WWII, former colonies in Asia and Africa gained independence, primarily from Britain and France. This led to many Civil and Proxy Wars.}D-Day Invasion {Ans: Allied troops landed in Western Europe at Normandy Beach in France to start liberating France from German control; June 6, 1944; major turning point in WW2}Treaty of Versailles {Ans: Treaty that ended WW I. Germany was punished with the War Guilt Clause and had to pay Reparations. This was one of the causes of WW2}Kim Jong Un {Ans: current communist dictator of North Korea}