A map shows the Roman empire in 117 CE, at its greatest extent. The empire covered most of western Europe, part of Great Britain, the Middle East, and the northern coast of Africa. Rome is located in what is now central Italy, near the coast of the Mediterranean Sea.

Use the map/description to answer the question.

How did geography help make Rome a site of encounter?

A.
Its proximity to other major empires encouraged alliances and exchanges.

B.
The Mediterranean Sea helped it connect with civilizations in Europe, Asia, and Africa.

C.
Its location in Central Europe made it a focal point of migration and interaction on the continent.

D.
The relatively level terrain of Europe made it easy for Romans to travel and trade across long distances.