USSR was a nationalistic Slavic ethno-state paradize. Moscow was 99% Slavic, Jews had problems with entering the universiry and had to change their names into Slavic ones and larp as Slavs and Soviets expelled lots of non-Slavs to Siberia and replaced them with Slavic population: Crimea, kaliningrad, Kazakhstan became Russian majority, Latvia, Estonia, Chechnya were close to becoming Slavic majority, then capitalists came and screwed everything up