Aggression, Crime and International Security examines the concept of aggression in international relations and how it has been dealt with by international law and collective security organisations. This book analyses the evolution of the concept of aggression in international relations from World War I to the post-Rome Statute era. It charts the emergence of two competing visions of this notion: on the one hand, as a triggering mechanism for collective security enforcement among states, and, on the other, as an international crime giving rise to individual responsibility. The author argues...