Answer:In 550 B.C.E. Cyrus the Great, the leader of the Persians, conquered the Medes and united the Iranian people under one ruler for the first time. Cyrus became the first king of the Persian Empire and went on to establish one of the largest empires in the world.
Explanation:
The answer is A. <span>an abundance of natural resources including salt and gold</span>
Back then, the answer would be A. But, if this was a MODERN question, the answer would be D.
