The Threat of Force in International LawThreats of force are a common feature of international politics, advocated by some as an economical guarantee against the outbreak of war and condemned by others as a recipe for war. Article 2(4) of the United Nations Charter forbids states to use threats of force, yet the meaning of the prohibition is unclear. This book provides the first comprehensive appraisal of the no threat principle: its origin, underlying rationale, theoretical implications,