Yalta Conference of Allied leaders, World War II, 4-11 February 1945. [Getty Images]

Yalta Conference of Allied leaders, World War II, 4-11 February 1945. Seated left to right: Churchill, Roosevelt and Stalin. Their respective foreign ministers, Eden, Stettinius and Molotov, stand behind them. Yalta determined the shape the world geopolitical order would take after the war. (Photo by Ann Ronan Pictures/Print Collector/Getty Images)

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