Terrorism 103 Prevention 98 Government policy 58 Economic aspects 55 Economic conditions 47 Housing subsidies 47 Evaluation 42 more ... Mathematical models 41 Finance 34 Housing 34 POLITICAL SCIENCE 32 Foreign economic relations 30 Population 28 Economic policy 27 Prévention 27 Terrorisme 27 Employment 25 Costs 23 Forecasting 22 International economic relations 22 Police 21 Public welfare 20 Law enforcement 19 National security 19 Technological innovations 19 Criminal justice, Administration of 18 Drug abuse 18 General 18 Political Freedom & Security 18 Rehabilitation 17 less ...