Politics and government 35 Foreign relations 23 Law and legislation 10 Emigration and immigration 7 Foreign economic relations 7 Relations 7 Economic integration 6 Government policy 6 Monetary policy 6 Economic conditions 5 History 5 Political aspects 5 Boundaries 4 Financial crises 4 National security 4 Referendum 4 Social aspects 4 Social conditions 4 Commercial policy 3 Decision making 3 Economic policy 3 Lobbying 3 Membership 3 Monetary unions 3 Policy sciences 3 Political planning 3 Cultural assimilation 2 Cultural pluralism 2 Democracy 2 Emigration and immigration law 2