Government policy History 156 Emigration and immigration 141 Social aspects 69 Economic aspects 64 Politics and government 60 Political aspects 58 Social conditions 58 Prevention 57 Women 54 Immigrants 49 Terrorism 45 Law and legislation 43 Services for 37 Social policy 36 Refugees 35 Climatic changes 31 Economic conditions 29 Legal status, laws, etc 29 Economic policy 27 Internet 26 Management 26 Research 25 Employment 23 Foreign relations 23 Technological innovations 23 Drug abuse 22 International cooperation 22 Environmental policy 20 Ethnic relations 20