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.
Scientists<span> can tell by observing the seismic waves that are recorded all over the surface of the </span>earth<span> from distant earthquakes. The seismic waves are reflected (bounced off) </span>layers<span> of different density, and they are refracted (bent) when they enter </span>layers<span> of different density.</span>
Overcrowding and slums developed in many impoverished countries in the 20th century, mostly due to large migrations to cities from people looking for work.