Answer: I would go with A. The Roman empire has always been expanding it's territory before it's decline.
Explanation: Heres why B is incorrect. If you look at the map of modern europe , you can see that there is the city of the Athens. The Athens were not part of the Roman empire back in BCE. Once they had a strong enough military, they conquered many other lands. They even had parts of Egypt. Say that they never expanded that they never expanded out of modern Europe would be saying the they did not become a world power before their decline(which they did). Hope this helped you out. I have been currently learning about the Roman empire in History. :)
