The revolution was unusual for the surprise it created throughout the world: it lacked many of the customary causes of revolution , occurred in a nation that was enjoying relatively good material wealth and prosperity,produced profound change at great speed, was massively popular, resulted in the exile of many peoples, and replaced a pro-Western semi-absolute monarchy with an anti-Western authoritarian theocracy based on the concept of Guardianship of the Islamic Jurists.
[GARD]