Excerpts from Books and Wikipedia
"The real outcome of the conference was the opportunity afforded Stalin to impose communist regimes on the states of Eastern Europe, often against the wishes of their populations. The Polish government in exile, resident in London since 1939 and seen by the British and US governments, as well as the majority of polls, as the legitimate government, was not allowed by Stalin to reestablish itself in Warsaw." [Furtado: 1001 Days] "Yalta Conference (February 1945): The wartime meeting of Joseph Stalin, Winston Churchill, and Franklin D. Roosevelt that paved the way for the Soviet war declaration against Japan and postwar partition of Korea." [Fall and Rise of China Guidebook, p. 201]