Prevention -- Terrorism -- 31 Government policy -- 8 International cooperation 8 Terrorism 8 Prevention 7 Government policy 6 more ... National security -- 5 History. -- 3 Law and legislation -- 3 Weapons of mass destruction 3 Economic sanctions, American 2 History 2 History -- 2 Politics and government 2 Politics and government -- 2 Relations 2 Athletes -- 1 Case studies 1 Civil rights -- 1 Congresses -- 1 Counterinsurgency -- 1 Criminal justice, Administration of -- 1 Democracy 1 Deterrence(strategy) 1 Emergency communication system -- 1 Emergency management -- 1 Finance -- 1 Foreign relations -- 1 Identification. -- 1 less ...