Answer :
Final answer:
The Domino Theory, coined during the Cold War, influenced US policies in Southeast Asia by justifying interventions based on the fear of communism spreading. President Eisenhower's speech in 1954 emphasized the importance of preventing the domino effect in Indochina, leading to increased US involvement.
Explanation:
Domino Theory was a concept that suggested the spread of communism in one country would lead to neighboring countries also falling to communism. This theory influenced US policies during the Cold War, particularly in Southeast Asia, as seen in interventions in countries like Vietnam, Laos, and Cambodia.
President Eisenhower's speech in 1954 highlighted the significance of preventing the spread of communism and the potential domino effect in Indochina. This led to increased US involvement in the region and the application of the domino theory to justify these actions.
The Domino Theory contributed to the US strategy of containment, viewing each communist country as a step towards global domination. It shaped decisions on military interventions and aid to prevent the spread of communism beyond certain regions.
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