Answer:
He divided the empire into 20 provinces: Darius l
He led a revolt against the Medes to create the Persian Empire: Cyrus the Great
He created an army of 10,000 Immortals: Cyrus the Great
He established the Royal Road to improve trade and communication: Darius l
He captured Babylon and allowed the Hebrews there to return to their homeland: Cyrus the Great
He followed the beliefs of Zoroastrianism: Darius l
Explanation: I got it right on the test