National security -- 194 Foreign relations -- 83 Politics and government -- 68 Nationalism -- 58 Foreign relations 43 History -- 41 National security 38 more ... Politics and government 36 Security, International 35 Military policy 34 World politics -- 34 Armed Forces 30 History 27 Congresses 26 International relations 22 Congresses -- 21 Nationalism 17 Defenses 16 Ethnic relations 14 National state 14 Human rights 12 Armed Forces -- 11 Terrorism -- 11 Economic conditions 10 International cooperation 10 National characteristics, American 10 Case studies 9 Political aspects 9 Relations -- 9 Security council 9 less ...