Answer:
Step-by-step explanation:
According to former CIA analyst Michael Scheuer, who led the CIA's hunt for Osama bin Laden, the al-Qaeda leader was motivated by a belief that U.S. foreign policy has oppressed, killed, or otherwise harmed Muslims in the Middle East
Support of Israel by United States.
American immorality.
Sanctions imposed against Iraq.
Presence of US military in Saudi Arabia.
Conflict in Somalia, Chechnya, Kashmir, Lebanon and the Philippines.
Religious motivation.
Globalization.
Provocation of war with the United States.