Terrorism -- Foreign relations -- 25 Government policy -- 21 Prevention -- 11 Politics and government -- 10 War on Terrorism, 2001-2009 8 History -- 7 more ... National security -- 7 Prevention. -- 6 Military policy 4 Political aspects 4 Political aspects -- 4 September 11 Terrorist Attacks, 2001 4 Case studies 3 Defenses 3 Politics and government 3 War on terrorism, 2001- 3 Case studies -- 2 Civil defense -- 2 Civil rights -- 2 Cold War 2 Democracy -- 2 Drug traffic -- 2 Economic sanctions, American 2 Foreign relations 2 Intelligence service -- 2 Islam 2 Islam and politics -- 2 Islamic fundamentalism 2 Islamic fundamentalism -- 2 less ...