International relations Military history Political control & freedoms Warfare & defence 9 Diplomacy 3 International institutions 3 Peace studies & conflict resolution 2 Politics & government 2 Central government policies 1 Elections & referenda 1 Espionage & secret services 1 Ethical issues & debates 1 European history 1 Feminism & feminist theory 1 Gender studies, gender groups 1 History of other lands 1 Political structures: democracy 1 Public administration 1 Social research & statistics 1