This book provides a comprehensive and detailed analysis of the nature, content and scope of the rules regulating the use of force in international law as they are contained in the United Nations Charter, customary international law and international jurisprudence. The book's scope is broad and covers the prohibition on the threat or use of force; the use of force in self-defence; the use of force as part of the United Nations collective security system; the use of force by regional organisations; the use of force in peacekeeping operations; the use of force for humanitarian purposes; the...