Foreign relations -- Terrorism -- Government policy -- 9 History -- 7 Prevention -- 6 National security -- 3 September 11 Terrorist Attacks, 2001 3 more ... War on Terrorism, 2001-2009 3 War on terrorism, 2001- 3 Cold War 2 Drug traffic -- 2 Intelligence service -- 2 Islam 2 Islam and politics -- 2 Islamic fundamentalism 2 Islamic fundamentalism -- 2 Political aspects 2 Political aspects -- 2 Politics and government -- 2 Prevention. -- 2 Religious aspects -- 2 Causes 1 Congresses 1 Congresses -- 1 Counterinsurgency -- 1 Democracy -- 1 Government policy 1 Guerrillas -- 1 Insurgency -- 1 International cooperation 1 less ...