Putin's Defining of the Russian Sphère

Putin openly says the greatest tragedy of the 20th century was the disintegration of the Soviet Union. And he is openly saying, defining Russian sphere. I'm not comparing Putin with Hitler, but what would you then say Germany 1939? Let's give to Hitler, Czechoslovakia just to keep peace in Europe and then it's... No, because, I mean, Hitler didn't have the capacity to level New York with a push of a button.