Harun al-Rashid (786 to 809) who encouraged arts and learning.
Answer:
The Persians followed a monotheistic religion called Zoroastrianism, which perceived just a solitary divinity named Ahura Mazda. In view of the lessons of the Persian prophet Zoroaster, this was the official religion of the Persian Empire, in spite of the fact that vanquished people groups were permitted to rehearse their own religions.
Explanation:
