During the post-war period, the USSR was able to control Poland and Hungary by setting up puppet governments there. keeping Soviets troops stationed there. supporting their democratic governments. allowing people to elect their own officials.

setting up puppet governments there.

Explanation:

The Soviet Union was able to maintain control over every country in its Warsaw Pact by setting up communist governments that were essentially puppets to their masters in Moscow.

Poland and Hungary were in the Warsaw Pact and so were ruled by puppet communist governments. These governments were only allowed to pursue policies that the Soviets wanted and if they refused or deviated, they would be invaded by Soviet troops.

to find facts and details to use as evidence

the situation that best illustrates the principle the rule of law is the letter "c" which is when an a powerful government official is arrested for breathtaking the law.