War International relations 13 World politics -- 10 Peace 6 Conflict management 5 Military art and science 4 Military art and science -- 4 more ... Military history, Modern -- 4 World politics 4 Globalization 3 History -- 3 Military history 3 Military history, Modern 3 Military policy 3 Arms control 2 Case studies 2 Diplomacy 2 Disarmament 2 History, Modern -- 2 Information warfare 2 Intervention (International Law) 2 Peace-building 2 Violence 2 War -- 2 War and society 2 21st century 1 Armies 1 Arms transfers 1 Brothers and sisters 1 Civil war 1 less ...