Final answer:
The main goal of the Southeast Asia Treaty Organization (SEATO) was to prevent the spread of communism.
Step-by-step explanation:
The main goal of the Southeast Asia Treaty Organization (SEATO) was to prevent the spread of communism. SEATO was formed in 1954 in response to the growing threat of communism in Southeast Asia, particularly in Vietnam. The organization aimed to provide collective security and support to its member countries in order to curb the spread of communism in the region. By doing so, SEATO hoped to preserve the political stability and independence of its member nations.
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