Membership Politics and government 45 Foreign relations 32 History 26 Societies, etc 22 Science 21 National security 18 more ... Economic integration 15 African Americans 10 Political activity 10 Relations 10 Security, International 10 Economic policy 8 Identity politics 8 Post-communism 8 Religious aspects 7 Allegiance 6 Emigration and immigration 6 Government policy 6 Catholic Church 5 International relations 5 Law and legislation 5 Political parties 5 Religious life 5 Social aspects 5 World politics 5 Christianity 4 Church history 4 Democratization 4 Economic conditions 4 less ...