Government policy Terrorism Prevention 28 Foreign relations 7 National security 7 History 5 War on Terrorism, 2001- 5 Civil rights 3 Democracy 3 Intelligence service 3 Politics and government 3 Security measures 3 Security, International 3 Social aspects 3 Technological innovations 3 War on Terrorism, 2001-2009 3 Disasters 2 Discourse analysis 2 Emergency management 2 Emigration and immigration 2 Hazard mitigation 2 Hegemony 2 Information technology 2 Infrastructure (Economics) 2 Islam 2 Islam and politics 2 Liberalism 2 London Terrorist Bombings, London, England, 2005 2 Muslims 2 Political aspects 2