Because they spread their culture to the people they traded with and they established new colonies.
Explanation:
Phoenicians were a group of people who settled on the coast of Mediterranean sea between the year 1550 BCE and the year 300 BCE. It was because of their willingness to travel that they could spread their civilisation in many parts of the world. They travelled across the seas for trade and they spread their culture to the people that they traded with and they established colonies far from their homeland.
The broad and plain terrain enabled them to herd large amounts of livestock without having to wonder too much whether the livestock would escape or try to hide or disappear.</span>