Definition of South East Asia Treaty Organization in English:

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South East Asia Treaty Organization

(abbreviation SEATO)
A defense alliance that existed between 1954 and 1977 for countries of Southeast Asia and part of the southwestern Pacific, to further a US policy of containing communism. Its members were Australia, Britain, France, New Zealand, Pakistan, the Philippines, Thailand, and the US.

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Syllabification: South East A·sia Trea·ty Or·gan·i·za·tion

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