If in 1919 the question arose regarding which of the Great European Powers stood destined to drive Europe’s twentieth century fortunes, few candidates would have stood out as more unlikely than the Soviet Union. Russia had not only been forced into the Treaty of Brest-Litvosk, but had been occupied by a foreign power from 1917-1921, was in the throes of a Civil War that would kill between three and five million Russian citizens, and had foreign armies again fighting on its soil far beyond the First World War’s end. Then, in 1922 Josef Stalin.