Roosevelt was determined to stop Stalin from taking over Eastern Europe. He thought they finally had an agreement on Poland. Before Roosevelt died, he realized that Stalin had broken his agreement.
W. Averell HarrimanThere's a myth that Roosevelt gave Stalin Eastern Europe. I was with Roosevelt every day at Yalta.
W. Averell HarrimanPoland, of course, was the key country. I remember Stalin telling me that the plains of Poland were the invasion route of Europe to Russia and always had been, and therefore he had to control Poland.
W. Averell Harriman