Byzantine Empire was the continuation of the Roman Empire in the East during Late Antiquity and the Middle Ages, when its capital city was Constantinople
The Romans switched their official religion to Christianity after the apostle Paul went on many voyages to create churches across the Mediterranean. This was after Jesus was crucified and where a whole ton of weird stuff happened after that.
Answer:
They provided trading routes, also helped people travel, it provided electricity through hydroelectric dams, and last but not least, it was a source of drinking water.
Explanation:
I know you said 2, but I gave you 4 for incase you want to use more.
