I need help with this test question

D. Containing the spread of Communism.

Explanation:

Often called the Truman Doctrine because of President Harry S. Truman, the US had a policy of containing the spread of communism from the beginning of the Cold War, this mainly focused on the fact that if one country was communist, the countries around it had the potential to follow its lead.

        i'm fairly sure that the correct answers are 2 and 3.

        i used both my knowledge of world history and the process of elimination to obtain these answers. option 1 cannot be a possible selection because the mandate of heaven belongs to ancient chinese philosophical belief. option 4 sounds like it would benefit the region than detriment it. however, both 2 and 3 explain a potential reason for what could have contributed to the fall of the roman empire.

      hope this ! if i were you, i'd get a second opinion, because i haven't taken this course for a year. best of luck!

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he killed his so.