Includes bibliographical references (pages [371]-400).This study is about the emergence of the ASEAN Regional Forum (ARF) as a multilateral security regime in the Asia-Pacific region. Using the constructivist approach in explaining the formation of regimes, it attempts to account for the slow evolution and low level of institutionalization of the ARF by looking at how the identities and roles of three important actors in the Forum—ASEAN, Japan, and the United States—have affected the Forum's evolution. The study focuses on the views, policies, and security strategies of these actors and examines to what extent these factors have affected the negotiations within the ARF concerning its norms, principles, structure, and mechanisms. The main th...