Answer:
Correct answer is:
1. The Soviet Union was the first Communist nation in the world.
2. People caught trying to leave were killed or put in prison.
4. People fled to other countries if they could.
5. Dissident authors were fined.
Step-by-step explanation:
Third option is not correct as people was very hard especially for certain layers of population.
Option six is not correct as government believe they should control everything.
Other options are correct as the Soviet Union was established after WW1, while position of the people was very bad, especially those who opposed the authority.