SOCIAL SCIENCE Politics and government 7 Social aspects 6 General 5 History 5 Civilisation 4 Civilization, Modern 4 Dégradation 4 Environmental degradation 4 Environnement 4 Écologie humaine 4 Human Geography 4 Human ecology 4 Politique et gouvernement 4 Technology 4 human ecology 4 BUSINESS & ECONOMICS 3 Conditions sociales 3 Discrimination & Race Relations 3 Histoire 3 Infrastructure 3 Military policy 3 Minority Studies 3 POLITICAL SCIENCE 3 Public Policy 3 Social conditions 3 African Americans 2 Anthropology 2 Aspect politique 2 Aspect social 2