Prevention Terrorism 10 International cooperation 2 Law and legislation 2 United States 2 Aeronautics, Commercial 1 Airports 1 Arms control 1 Congresses 1 Democracy 1 Equipment and supplies 1 Foreign relations 1 Government policy 1 History 1 Human rights 1 Identify theft 1 Identity theft 1 Illegal arms transfers 1 Internal security 1 Liberalism 1 National security 1 Passenger traffic 1 Police 1 Security Council 1 Security measures 1 September 11 Terrorist Attacks, 2001 1 Special weapons and tactics units 1 Terrorists 1 Victims of terrorism 1 War on Terrorism, 2001- 1