The Phoenicians were a very wealthy civilization that traded with many other Mediterranean civilizations. The Phoenicians traded largely with Ancient Greece. Trade items included wood, slaves, and glass. Also, the Phoenicians produced Tyrian Purple, a dye made from crushed up shells and was not found anywhere else in the world. This dye was in high demand by many people in Ancient Greece.

Why would the passage above be an example of how specialization occurred in the ancient world?
A.
The Phoenicians specialized in producing Tyrian Purple dye.
B.
The Greeks had a high demand for an item produced in Phoenicia.
C.
The Greeks were dependent on trade as a way to earn money.
D.
The Phoenicians traded to get items they could not make themselves.