Peace History 428 Religious aspects 288 Arab-Israeli conflict 256 Politics and government 256 War 217 Foreign relations 198 more ... World War, 1914-1918 124 Christianity 117 Peace-building 117 Conflict management 114 World War, 1939-1945 99 International relations 98 Study and teaching 77 World politics 69 Social aspects 59 Palestinian Arabs 54 Security, International 52 Diplomatic history 51 Moral and ethical aspects 50 Sermons, English 48 Nonviolence 45 Violence 41 Research 38 Peace movements 37 Pacifism 36 Economic aspects 35 Doctrines 33 Political aspects 33 Relations 33 less ...