Peace International relations 109 Arab-Israeli conflict 99 History 90 Politics and government 71 Religious aspects 69 Foreign relations 67 more ... War 66 World War, 1939-1945 55 World War, 1914-1918 39 Palestinian Arabs 27 World politics 27 Security, International 24 Conflict management 23 Diplomatic history 23 Study and teaching 22 Christianity 20 International organization 19 Research 17 Societies, etc 17 Nonviolence 16 Doctrines 15 Social aspects 15 Congresses 14 Catholic Church 13 Ethnic relations 13 International cooperation 13 Vietnam War, 1961-1975 13 Israel-Arab War, 1973 11 Peace-building 11 less ...