Answer:
The area has a major shipping port.
Explanation:
The statement above gives important economic information about the area. The fact that it has a major shipping port means that the economy of region likely revolves around the port, or that port is a significant part of the economy even if it is not the most important activity.
The shipping port likely makes the region an important trade center, because ports are essentially use to import and export goods, in other words, to trade goods.