History -- 556 History 406 Foreign relations -- 142 Politics and government -- 108 Economic history -- 92 Politics and government 83 World politics -- 73 more ... Economic conditions 52 Terrorism -- 49 Economic conditions -- 37 History. -- 34 Political science -- 32 International relations 30 Military history, Modern -- 29 Foreign relations 28 International economic relations 27 International relations -- 25 Democracy -- 24 Military policy 23 Economic policy -- 22 Nationalism -- 22 Communism -- 21 Political aspects 21 Political aspects -- 21 Constitutional history 20 Congresses -- 19 Armed Forces -- 18 Congresses 18 Economic policy 18 International economic relations -- 17 less ...