Answer
His impeachment, driven by disputes between him and the ruling clergy, triggered Banisadr's escape from Iran in 1981. This conflict stemmed from disagreements over the direction of the country's governance, with Banisadr favoring a more moderate approach and the clergy seeking a more theocratic state. The impeachment process, backed by the powerful clerical establishment, culminated in Banisadr's swift departure from Iran to safeguard his own safety.