Government policy Emigration and immigration 17 History 14 Immigrants 9 Terrorism 8 Women 8 Political aspects 7 Foreign relations 6 Marginality, Social 6 National security 6 Prevention 6 Sports 6 Economic aspects 5 Education 5 Security, International 5 Citizenship 4 Cultural assimilation 4 Drug abuse 4 Employment 4 Foreign trade regulation 4 International trade 4 Law and legislation 4 Public opinion 4 Services for 4 Sex discrimination 4 Social aspects 4 Democracy 3 Economic conditions 3 Ethnic relations 3 Motion picture industry 3