Answer :
Final answer:
Darius I succeeded Cyrus as the ruler of the Persian Empire and conquered Egypt, expanding the empire to its greatest extent.
Explanation:
Darius I succeeded Cyrus as the ruler of the Persian Empire and conquered Egypt. He ruled from 522 to 486 BCE and expanded the empire to its greatest extent. Darius I organized the empire into satrapies, or provinces, and strengthened the administration and infrastructure. His conquest of Egypt solidified his control over the entire empire.
Learn more about Succession and conquest in the Persian Empire here:
https://brainly.com/question/31913860
