Under pressure from the Shah , who had agreed to a rapprochement between Iraq and Iran in 1975 , Saddam agreed to kick Khomeini out in 1978 . However , when Khomeini began to urge the Shi'ite s there to overthrow Saddam and under pressure from the Shah , who had agreed to a rapprochement between Iraq and Iran in 1975 , Saddam agreed to expel Khomeini in 1978 to France .