September 11 Terrorist Attacks, 2001 War on terrorism, 2001- Terrorism -- 3 Foreign relations -- 2 Globalization 2 Political violence 2 Security, International 2 more ... Terrorism 2 World politics -- 2 Anti-Americanism 1 Foreign public opinion 1 Globalization -- 1 Islamic fundamentalism -- 1 National characteristics, American 1 Political aspects 1 Prevention -- 1 Terrorists -- 1 less ...