Politics and government 50 Politics and government -- 45 Congresses 25 Economic conditions 24 International relations 22 Foreign relations -- 20 History -- 19 more ... International trade 18 Management information systems 18 Study and teaching 18 Foreign relations 17 International economic relations 17 Economic conditions -- 16 Economic policy -- 16 Operating systems (Computers) 16 Political parties -- 15 Economic policy 14 International relations -- 14 Grammar 13 History 13 Information technology -- 13 Cabinet system -- 12 Congresses -- 12 Foreign economic relations -- 11 Globalization -- 11 Internet (Computer network) 11 Management 11 Terrorism -- 11 International finance 10 Law -- 10 less ...