The policy or theory that was most likely behind the action of the United States in Guatemala was the containment policy.
What is the Containment policy?
The containment policy is a policy that is aimed at restricting or curbing the growth of something.
The United states assisted in the coup in order to curb the growth of communism that was becoming wide spread in Latin American countries.
The spread of communism was also becoming a threat to the US. They had to plan the coup through the coup in order to contain it.
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