Over the past few decades, international history and security have been significantly influenced by greater understanding of the role of intelligence in national security and foreign policy-making. In Britain, much of the work has developed in the subdiscipline of international history with its methodological predisposition towards archive-based research. Advances in archival disclosure, accelerated by the end of the Cold War, as well as by the changing attitudes of official secrecy and the work of the intelligence services, have further facilitated research, understanding and debat