ANZUS

ANZUS is a 1951 mutual security treaty linking Australia, New Zealand, and the United States. It established a framework for consultation and cooperation on Pacific security.

Pacific War: The Second World War fought across East Asia and the Pacific from 1937 to 1945. Its end left Australia and New Zealand seeking stronger security guarantees.
Article IV of the ANZUS Treaty: The treaty provision stating that each party would act to meet common danger in accordance with its constitutional processes. It contains the central security commitment, while leaving each response to national decision-making.
New Zealand nuclear-free zone: New Zealand's policy prohibiting nuclear weapons and nuclear-powered ships from its territory and ports. The policy led to a dispute over US ship visits and New Zealand's role in the alliance.
Australia–United States Ministerial Consultations: Annual high-level talks between Australian and US ministers on defense, diplomacy, and security cooperation. The consultations are a modern forum for coordinating the alliance's policies and priorities.
San Francisco Peace Treaty: The 1951 treaty that formally ended the state of war between Japan and many Allied powers. Its terms and the absence of a binding US defense guarantee for Australia helped spur ANZUS.
Article III of the ANZUS Treaty: The treaty provision requiring consultation when a party's territorial integrity, political independence, or security is threatened in the Pacific. It establishes consultation as the treaty's immediate response to a Pacific security threat.
1985 New Zealand nuclear ship dispute: The dispute after New Zealand refused entry to the US warship USS Buchanan because its nuclear status was not confirmed. The United States suspended its treaty security obligations to New Zealand in response.
Talisman Sabre: A recurring Australia–United States military exercise hosted in Australia. The exercise trains the forces that would support practical cooperation between the allies.
John Foster Dulles: A US diplomat and secretary of state who shaped American postwar alliances in the Asia-Pacific. He negotiated the treaty framework during the 1951 San Francisco conference.
Article II of the ANZUS Treaty: The treaty provision calling for stronger individual and collective capacity to resist armed attack. It defines cooperation in terms of maintaining and developing defense capabilities.

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