Foreign relations -- 29 National security -- 15 History -- 14 Islam -- 12 Foreign economic relations -- 11 Muslims -- 11 Relations -- 9 more ... Politics and government -- 8 Terrorism -- 8 Congresses -- 6 Politics and government 5 Congresses 4 Ethnic relations 4 Islam 4 Islamic fundamentalism 4 Case studies. -- 3 Competition, International 3 Defenses 3 Economic integration 3 History 3 International cooperation 3 Military relations -- 3 North Atlantic Treaty Organization 3 Regionalism -- 3 Religious aspects -- 3 Terrorists -- 3 Arms control -- 2 Case studies 2 Citizenship -- 2 Civil rights -- 2 less ...