Well, the first thing you discover when looking at Bolshevism from a critical angle is that it was also deeply nationalist in spite of declarative internationalism 😉 They simply invented the new, Soviet aggregate quasi-national identity, and mercilessly pushed that as any other nationalist movement.
This book was a kind of enlightenment for me:
https://www.amazon.co.uk/Cogs-Wheel-Formation-Soviet-Man/dp/0394569261
