8 ways on how Stalin kept power?

1. Eliminating all threats

2. Ensuring all other important government figures were completely loyal.

3. Committing acts to keep people fearful

4. Using his popularity as a tool for those who supported him.

5. Mantaining alliances at all times to secure external security.

6. Industrializing (5 Years Plan)

7. Keeping a strong military.

8. Using harsh means of punishment for those who did challenge him.