[starbase]

Assuming that they manage to defeat Soviet Russia and then manage to control the vast eurasian space filled with Communist movements

Yes, and that assumption is quite easy, with an attack from the East and no Western resistance against Germany, Russia would have been smeared off the map. The residual communist movements would not have meant anything against such power.

[A. Pole]

Yes, and that assumption is quite easy, with an attack from the East and no Western resistance against Germany, Russia would have been smeared off the map. The residual communist movements would not have meant anything against such power.

When the German army got stuck at the gates of Moscow, what Western resistance caused it in 1941, maybe French Vichy regime? And Germans gained less than Napoleon - he at least took Moscow before his defeat.