Introduction
This introductory chapter provides an overview of post-World War II relations among the four Western powers: the United States, United Kingdom, Australia, and New Zealand. In contrast to the broad strategic cooperation that emerged in Europe after World War II, no formal alliances between Western powers existed throughout the Asia-Pacific until the 1950s. Even when established, these security agreements remained limited in terms of military planning and scope of membership, despite the rising threat posed by the Soviet Union and the People's Republic of China. To be sure, the Western powers that exerted most influence on security pacts in the region continued to enjoy close relations in many quarters and each held serious concerns about the Communist threat. All four states shared the ties of ancestry, language, and democratic institutions and maintained close economic and security relationships around the world. Yet, however close these four powers might have been to one another, they remained separate, sovereign states with their own interests. Although the pressures created by the Cold War could unite Western powers on an ad hoc basis, long-term strategic cooperation in the Asia-Pacific remained curiously limited. Thus, the purpose of this book is to examine why strategic cooperation among these four powers was so challenging in the Asia-Pacific during the early Cold War.