History -- Terrorism -- Foreign relations -- 5 Cold War 2 Drug traffic -- 2 Government policy -- 2 Islam and politics -- 2 more ... Political aspects -- 2 Prevention -- 2 Causes 1 Counterinsurgency -- 1 Cross- cultural studies 1 Foreign relations 1 Guerrillas -- 1 Islamic fundamentalism -- 1 Military policy 1 National security -- 1 Political aspects 1 September 11 Terrorist Attacks, 2001 1 September 11 Terrorist Attacks, 2001 -- 1 less ...