Foreign relations -- 33 Foreign economic relations -- 15 National security -- 15 Relations -- 15 Politics and government -- 13 History -- 7 Defenses 6 more ... Economic integration 6 Military policy 6 Arms control -- 4 Congresses -- 4 Foreign relations 4 Islam -- 4 Security, International 4 Armed Forces 3 Congresses 3 Economic conditions -- 3 Regionalism -- 3 Conflict management -- 2 Defenses -- 2 Ethnic relations 2 European economic community -- 2 History 2 International cooperation 2 Military assistance, American -- 2 Military relations 2 Military relations -- 2 Muslims -- 2 Reconstruction (1939-1951) 2 Social policy 2 less ...