Answer:
Communism is where all money gets evenly distrubited, and everyone is paid by their circumstances.
Explanation:
When people are united by common history and culture, they belong to a "nation" although this is not technically the case. Many people from different backgrounds and cultures can be part of a nation.
Answer:
The benefits are the creation of allies in the Cold War. On the other hand, the Truman Doctrine could lead to US involvement in overseas conflicts.