One-third of the world's population lived under communist governments at that time.
The largest communist nations were the Union of Soviet Socialist Republics (USSR) and the People's Republic of China. Nations in Eastern Europe were under communism and Soviet influence, behind what Winston Churchill called the "Iron Curtain." Communism had also spread elsewhere around the globe, in places like Cuba and Vietnam.
Popular sovereignty states that all authority to the government is from the people. So the answer is true.
Answer:
6. They wasted many people and resources
7. Decreased their territory
8. Increases their territory
9. Increases their territory
10. They can use a more strategic placement of troops and not rush into battle wasting their resources.