This book aims at defining a rationale for the continued use of military armed force(s) by states. Central to this publication are the answers to fundamental questions pertaining to the convention of war, as formulated by Martin van Creveld: to define just who is allowed to kill whom, for what ends, under what circumstances, and by what means'. Above all, the authors take into account developments and trends within the elements of the Clausewitzian trinity supporting the Westphalian nation-state: The People (or the Society)', The Government' and 'The Armed Forces (or The Military)'. The...