Final answer:
SEATO (Southeast Asia Treaty Organization) was formed to protect countries worried about communism's influence in Southeast Asia.
Step-by-step explanation:
SEATO (Southeast Asia Treaty Organization)
The organization formed in Southeast Asia to protect countries worried about communism's influence is SEATO (Southeast Asia Treaty Organization).
SEATO was established in 1954 to prevent the spread of communism in Southeast Asia, particularly after the First Indochina War. It included countries such as the United States, the United Kingdom, France, Australia, and several Southeast Asian nations.
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