SOCIAL SCIENCE Politics and government 11 General 10 Politique et gouvernement 9 Histoire 8 BUSINESS & ECONOMICS 6 Civilisation 6 Human Geography 6 Infrastructure 6 History 5 Social aspects 5 Civilization, Modern 4 Dégradation 4 Environmental degradation 4 Environnement 4 Écologie humaine 4 Human ecology 4 Public Policy 4 Technology 4 Terrorism 4 Terrorisme 4 human ecology 4 Conditions sociales 3 Discrimination & Race Relations 3 Guerre civile 3 Military policy 3 Minority Studies 3 POLITICAL SCIENCE 3 Social conditions 3 African Americans 2