Prevention -- Terrorism -- Government policy -- 12 National security -- 8 Civil rights -- 4 Foreign relations -- 3 History -- 3 more ... Politics and government -- 3 Terrorism 3 Civil defense -- 2 Defenses 2 Economic sanctions, American 2 Emergency management -- 2 Government policy 2 Military policy 2 Politics and government 2 Relations 2 Weapons of mass destruction 2 Asymmetric warfare -- 1 Case studies 1 Counterinsurgency -- 1 Cross- cultural studies 1 Embassy buildings -- 1 Emergency communication system -- 1 Extradition 1 Foreign relations 1 Guerrillas -- 1 History. -- 1 Intelligence officers -- 1 Internal security -- 1 less ...