Politics and government -- 7 European federation -- 3 History 3 European Federation 2 Foreign relations -- 2 Citizenship -- 1 Commonwealth countries 1 more ... Commonwealth countries -- 1 Democracy -- 1 Economic conditions -- 1 Economic integration 1 European communities 1 European communities -- 1 European economic community -- 1 Foreign economic relations 1 Foreign economic relations 1 Foreign rrelations -- 1 Group identity -- 1 History -- 1 Human geography -- 1 International economic integration 1 Peace 1 Philosophy 1 Political culture -- 1 Political geography 1 Politics and government 1 Regionalism (International organization) 1 Social conditions 1 Social conditions -- 1 Sources 1 less ...