Relations with the Soviet Union

When Hitler invaded the Soviet Union, Winston Churchill, a vehement anti-Communist, famously stated "If Hitler invaded Hell, I would at least make a favourable reference to the Devil in the House of Commons," regarding his policy toward Stalin. Soon, British supplies and tanks were flowing to help the Soviet Union.

The Casablanca Conference, a meeting of Allied powers held in Casablanca, Morocco, on 14 January through 23 January 1943, produced what was to be known as the “Casablanca Declaration.” In attendance were Churchill, Franklin Roosevelt and Charles de Gaulle. Joseph Stalin had bowed out, citing the need for his presence in the Soviet Union to attend to the Stalingrad crisis. It was in Casablanca that the Allies made a unified commitment to continue the war through to the “unconditional surrender” of the Axis powers. In private, however, Churchill did not fully subscribe to the doctrine of “unconditional surrender,” and was taken by surprise when Franklin Roosevelt announced this to the world as Allied consensus. 

The settlement concerning the borders of Poland, that is, the boundary between Poland and the Soviet Union and between Germany and Poland, was viewed as a betrayal in Poland during the post-war years, as it was established against the views of the Polish government in exile. It was Winston Churchill, who tried to motivate Mikołajczyk, who was prime minister of the Polish government in exile, to accept Stalin's wishes, but Mikołajczyk refused. Churchill was convinced that the only way to alleviate tensions between the two populations was the transfer of people, to match the national borders. As he expounded in the House of Commons on 15 December 1944, "Expulsion is the method which, insofar as we have been able to see, will be the most satisfactory and lasting. There will be no mixture of populations to cause endless trouble... A clean sweep will be made. I am not alarmed by these transferences, which are more possible in modern conditions." However the resulting expulsions of Germans were carried out in a way which resulted in much hardship and, according to a 1966 report by the West German Ministry of Refugees and Displaced Persons, the death of over 2.1 million. Churchill opposed the effective annexation of Poland by the Soviet Union and wrote bitterly about it in his books, but he was unable to prevent it at the conferences.

Winston Churchill at the Yalta Conference, with Roosevelt and Stalin beside him

During October 1944, he and Eden were in Moscow to meet with the Russian leadership. At this point, Russian forces were beginning to advance into various eastern European countries. Churchill held the view that until everything was formally and properly worked out at the Yalta conference, there had to be a temporary, war-time, working agreement with regard to who would run what.  The most significant of these meetings was held on 9 October 1944 in the Kremlin between Churchill and Stalin. During the meeting, Poland and the Balkan problems were discussed. Churchill told Stalin:

Let us settle about our affairs in the Balkans. Your armies are in Rumania and Bulgaria. We have interests, missions, and agents there. Don't let us get at cross-purposes in small ways. So far as Britain and Russia are concerned, how would it do for you to have ninety per cent predominance in Rumania, for us to have ninety per cent of the say in Greece, and go fifty-fifty about Yugoslavia?

Stalin agreed to this Percentages Agreement, ticking a piece of paper as he heard the translation. In 1958, five years after the account of this meeting was published (in The Second World War), authorities of the Soviet Union denied that Stalin accepted the "imperialist proposal". One of the conclusions of the Yalta Conference was that the Allies would return all Soviet citizens that found themselves in the Allied zone to the Soviet Union. This immediately affected the Soviet prisoners of war liberated by the Allies, but was also extended to all Eastern European refugees. Aleksandr Solzhenitsyn called the Operation Keelhaul "the last secret of World War II." The operation decided the fate of up to two million post-war refugees fleeing eastern Europe.