Foreign relations -- 294 History -- 163 Politics and government -- 120 Politics and government 94 History 73 Biography -- 45 Foreign relations 44 more ... Relations -- 36 World politics -- 35 Military policy 29 Economic conditions -- 27 Biography 26 Congresses 26 Terrorism -- 26 Presidents -- 25 Public opinion -- 24 National security -- 22 Americans -- 21 Congresses -- 21 Economic assistance, American -- 21 Fiction 21 Foreign economic relations -- 20 Political aspects -- 20 Economic policy 19 National characteristics, American 18 Social conditions -- 18 Economic policy -- 17 Philosophy 17 Military relations -- 16 Personal narratives, American 16 less ...