He was faced with the problem that there were few Marxists left in Eastern Europe, with most having been killed by the Nazis. He demanded that war reparations be paid by Germany and its Axis allies Hungary, Romania, and the Slovak Republic. Aware that these countries had been pushed toward socialism through invasion rather than by proletarian revolution, Stalin referred to them not as "dictatorships of the proletariat" but as "people's democracies", suggesting that in these countries there was a pro-socialist alliance combining the proletariat, peasantry, and lower middle-class.