Foreign relations -- 115 Politics and government -- 44 History -- 42 Foreign economic relations -- 26 Relations -- 23 Economic conditions -- 15 Congresses -- 13 more ... National security -- 12 Politics and government 12 Biography -- 11 Military relations -- 11 Public opinion -- 11 Commerce -- 10 Economic policy -- 10 Military policy 10 Race relations 10 Presidents -- 9 Congresses 8 World politics -- 8 China 7 Commercial policy 7 Economic aspects 7 Economic forecasting -- 7 Emigration and immigration -- 7 Political aspects -- 7 Economic assistance, American -- 6 Economic policy 6 Ethnic relations 6 Foreign relations 6 Cold War 5 less ...