War Religious aspects 47 Islam 41 Jihad 24 History 16 Peace 15 Just war doctrine 10 Moral and ethical aspects 10 Conflict management 7 Environmental aspects 7 Military history 7 International relations 6 Computer simulation 5 Military art and science 5 World politics 5 Battles 4 Causes 4 Fiction 4 Peace-building 4 Prevention 4 Social conflict 4 Christianity 3 Companions 3 Doctrines 3 English fiction 3 Human rights 3 Mathematical models 3 Military policy 3 Nuclear nonproliferation 3 Religions 3