One similarity between the Korean War and the Persian Gulf War is that in each conflict the United Nations took action to halt the aggression. In both cases, the authorities of the UN compelled the Korean leader and Iraq to withdraw their forces and troops to stop the conflict.
Conflict in Greece and Turkey lead Truman to make his speech.
By the fact that everyone had their own beliefs and way of thinking and doing traditional things for themselfs and others
Marginal benefits. I hope this helps :)