The map shows the Roman Empire. A map titled Trade in the Roman Empire. A key shows the following: the area of the Roman Empire at C E 200; the main trade route; trade or enslaved people; Goods traded: Grain, Marble, Metals, Olive oil, Textiles, Timber, Wild animals, Wine.

What information about the Roman Empire can be learned from the map?

which locations were important for trading
what goods were traded throughout the empire
what trade goods were brought from outside the empire
which resources were used in different parts of the empire