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An acronym given to a tripartite Pacific security treaty between Australia, New Zealand, and the USA, signed at San Francisco in 1951. Known also as the Pacific Security Treaty, it recognizes that an armed attack in the Pacific Area on any of the parties would be dangerous to peace and safety, and declares that it would act to meet the common danger, in accordance with its constitutional processes. Following New Zealand's anti‐nuclear policy, which included the banning of nuclear‐armed ships from its ports, the USA suspended its security obligations to New Zealand in 1986. ANZUS continues to govern security relations between Australia and the USA, and between Australia and New Zealand.

Subjects: History.

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