Politics and government 37 History -- 20 Foreign relations -- 15 History 15 Economic conditions 12 Politics and government -- 12 Social conditions 12 more ... World War, 1939-1945 -- 12 Campaigns -- 10 Foreign relations 10 Biography -- 9 Economic conditions -- 8 Economic policy 7 Foreign economic relations -- 7 Commerce -- 4 Diplomats -- 4 Economic policy -- 4 Prime ministers -- 4 Commercial policy 3 Communism -- 3 Congresses 3 Defences 3 Foreign economic relations 3 Free trade -- 3 History. -- 3 Military policy 3 Political parties -- 3 Population 3 Chinese -- 2 Civilization 2 less ...