Foreign relations -- 78 Politics and government -- 45 Economic conditions 41 Economic policy 41 Economic conditions -- 33 Terrorism -- 33 Economic policy -- 27 more ... History -- 24 Politics and government 23 English language -- 22 Foreign relations 21 Congresses -- 19 Government policy -- 19 Congresses 18 National security -- 15 World politics -- 15 Military policy 13 Terrorism 12 Foreign economic relations 11 Prevention 10 Prevention -- 10 Relations -- 10 Technical assistance -- 10 Study and teaching 9 American literature 8 Commercial policy 8 Political aspects 8 Autonomy and independence movements 7 Conflict -- 7 Defenses 7 less ...