Final answer:
The United States involved itself in the Korean and Vietnam Wars to support its anti-communist agenda and prevent the spread of communism.
Step-by-step explanation:
The United States involved itself in the Korean and Vietnam Wars primarily because fighting these wars supported their anti-communist agenda. The fear of the spread of communism during the Cold War period led the U.S. to intervene in these conflicts. The U.S. aimed to prevent the spread of communism and protect its interests in the region.
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