The ANZUS Council is a key element in the partnership between the United States, Australia, and New Zealand, serving as a forum for discussions on matters relating to security and defense. Synonyms for the ANZUS Council include the ANZUS Alliance, the ANZUS Treaty, and the ANZUS Partnership. The ANZUS Treaty was signed in 1951 and is a cornerstone of the defense relations between the three countries, committing them to mutual defense in the Pacific region. The ANZUS Alliance offers a framework for cooperation among the three nations, allowing them to address shared security challenges and work towards a common goal of a stable, secure, and prosperous region.