Foreign relations -- 20 History -- 10 National security -- 9 Politics and government -- 7 Relations -- 7 Congresses -- 6 Politics and government 6 more ... Congresses 5 Military policy 4 Muslims -- 4 Public opinion -- 4 Terrorism -- 4 Biography -- 3 Commerce -- 3 Economic integration 3 Foreign economic relations -- 3 Islam -- 3 World politics -- 3 Arms control -- 2 Case studies. -- 2 Citizenship -- 2 Commerce 2 Economic aspects -- 2 Economic conditions 2 Economic conditions -- 2 Economic development -- 2 Economic policy 2 Ethnic relations 2 Globalization -- 2 Government policy -- 2 less ...