This fully updated fourth edition clearly and comprehensively explains the law on the use of force in international law, including use of force by States, the role of the UN, and the role of regional organizations in the maintenance of international peace and security.

This fully updated fourth edition clearly and comprehensively explains the law on the use of force in international law, including use of force by States, the role of the UN, and the role of regional organizations in the maintenance of international peace and security.