Answer:
Option: b. their multiethnic empire proved far more stable than any of the Greeks
Explanation:
The Carthaginian empire formed with the collaboration of Phoenician colonies, which situated in the Northwest Africa region resulted in growing into a powerful empire. The Phoenician colonies grew to develop in the coastal region and controlled the Mediterranean sea for trading purposes.
The empire was built with multi-ethnic groups because of coastal cities, which allow people from different regions to settle here for trade including Hispanics, Celts, Italians, and native Sicilians, Africans, and Punics.
Weather. This includes factors like temperature, humidity, wind speed, etc.