Woman must wear the hejab. Civil laws are based on sharia leaders must be approed by the ayatollah. The given laws are most likely found in which system of governance?

The governance system that would have these types of laws would be a govern based on the Islamic Law. The Islamic Law teaches people the "correct" Islamic behavior or is more referred as the way of life of a Muslim. In general, they refer to some rules on how to worship God and the religious duties of its people.