1. Security
2. Patriotism and common celebrations (they worked on moral and pride of their people)
3. Since it was a communist regime, they were pursuing equality so there was that middle class that carried the society therefore there were neither extremely rich nor extremely poor people
4. During the period of Vladimir Lenin (Stalin period was too harsh as well as the rest), they had sound economy when the whole world was on its knees. Tactics that were applied by this man were genial and enough to make the USSR stable in the worst period of economical history.
5. Witnesses (elders of Russia) keep saying that the life back in the USSR was the best period of their lives so it somehow must be true
