Government policy Political aspects History 94 Politics and government 76 Social aspects 60 Emigration and immigration 55 Race relations 36 more ... Economic aspects 31 Immigrants 30 Ethnic relations 27 Social conditions 26 Law and legislation 25 Climatic changes 22 Political activity 21 Abortion 19 Ethnicity 19 Petroleum industry and trade 19 Globalization 18 Minorities 18 Terrorism 18 African Americans 17 Social policy 16 Women 16 International cooperation 15 Prevention 15 Economic development 14 Legal status, laws, etc 14 Water-supply 14 Environmental aspects 13 Environmental policy 13 less ...