WORLD CIVILIZATION

Detailed explanation-1: -The division of the empire into provinces (satrapies) was completed by Darius I (reigned 522–486 bc), who established 20 satrapies with their annual tribute. The satraps, appointed by the king, normally were members of the royal family or of Persian nobility, and they held office indefinitely.

Detailed explanation-2: -The Persian Empire emerged under the leadership of Cyrus II, who conquered the neighboring Median Empire ruled by his grandfather. From then on Cyrus was called the “shah, ‘’ or king, of Persia. Eventually he was known as Cyrus the Great.

Detailed explanation-3: -Darius demonstrated an organizational genius rivaled by few ancient or modern rulers. He divided the empire into some 20 provinces (called satrapy), governed by appointed local officials (satraps) with minimal interference from their Persian overlords.