Terrorism -- September 11 Terrorist Attacks, 2001 3 Foreign relations -- 2 International relations 2 War on terrorism, 2001- 2 Al Qaeda 1 International cooperation 1 more ... International offenses 1 Iraq War, 2003 1 Jemaah Islamiyah 1 National security 1 National security -- 1 Political stability 1 Prevention 1 Security Management 1 Security, International 1 United States 1 Weapons of mass destruction 1 less ...