Foreign relations -- 139 History -- 64 Politics and government -- 46 Biography -- 28 Foreign economic relations -- 28 Relations -- 24 Congresses -- 21 more ... Presidents -- 19 Economic conditions -- 17 National security -- 17 Politics and government 17 Public opinion -- 14 Political aspects -- 13 China 11 Commerce -- 11 Congresses 11 Economic policy -- 11 Government policy -- 11 Military relations -- 11 Mass media -- 10 Military policy 10 Race relations 10 World politics -- 10 Economic aspects -- 9 Cold War 8 Economic aspects 8 Election -- 8 Social conditions -- 8 Case studies -- 7 Commercial policy 7 less ...