who founded the terrorist organization responsible for the attacks?
Osama bin Laden, Ayman al-Zawahiri and Abdullah Azzam, and several other Arab volunteers .
Al-Qaeda
Al-Qaeda (; ', , translation: "The Base", "The Foundation", alternatively spelled al-Qaida and al-Qa'ida) is a transnational extremist Salafist militant organization founded in Peshawar, Pakistan 1988 by Osama bin Laden, Ayman al-Zawahiri and Abdullah Azzam, and several other Arab volunteers during the Soviet–Afghan War.
who was behind september 11 attacks? Islamist terrorist group Al-Qaeda. why did they do it? Al-Qaeda and bin Laden cited U.S. support of Israel, the presence of U.S. troops in Saudi Arabia, and sanctions against Iraq as motives. which places were targeted? The World Trade Centre complex, the Pentagon and Washington, D.C..
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Al-Qaeda [SEP] Introduction
Al-Qaeda (; ', , translation: "The Base", "The Foundation", alternatively spelled al-Qaida and al-Qa'ida) is a transnational extremist Salafist militant organization founded in Peshawar, Pakistan 1988 by Osama bin Laden, Ayman al-Zawahiri and Abdullah Azzam, and several other Arab volunteers during the Soviet–Afghan War. Al-Qaeda operates as a network of Islamic extremists and Salafist jihadists. The organization has been designated as a terrorist group by the United Nations Security Council, the North Atlantic Treaty Organization (NATO), the European Union, the United States, the United Kingdom, Russia, India, and various other countries (see below). Al-Qaeda has mounted attacks on non-military and military targets in various countries, including the 1998 United States embassy bombings, the September 11 attacks, and the 2002 Bali bombings.