WORLD CIVILIZATION

Detailed explanation-1: -According to the historian Herodotus, it is known that Astyages placed Harpagus in command of the Median army to conquer Cyrus.

Detailed explanation-2: -The Medes had early successes in battle, but the comeback by Cyrus the Great and his army, which is said to have included Harpagus, now allied with the Persians, was too overwhelming, and the Medes were finally conquered by 549 BC. Thus the first official Persian Empire was born.

Detailed explanation-3: -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 went on to establish one of the largest empires in the world.

Detailed explanation-4: -Cyrus is remembered in history because of his political philosophy of tolerance and respect toward non-Persians and his demonstration of mercy on his defeated foe. After establishing his empire, Cyrus allowed all subjects to participate in governance.