The anti-nuclear policies of New Zealand have caused major changes in ANZUS and each member state's relationships with the other two. Differences between New Zealand and the United States over nuclear policy persist and are likely to remain a sore point bilaterally. There is little prospect of ANZUS returning to the status quo ante. Against that background it is important for Americans to understand why New Zealanders adhere to their policies and grasp why those policies, and the rationale behind them are relevant for alliance cohesion in Northeast Asia. Keywords: International relations; Nuclear weapons policies; Political alliances. (EDC)