Answer:
Byzantium was located on trade routes and could be better protected.
Explanation:
Byzantium became the capital of the Roman Empire in 330, with the established objective of fulfilling a fundamental role in the control of the commercial routes used by Rome to the East: this city was located in the passage of these commercial routes, thus which was fundamental its protection in order to control trade in the area. In this way, it was agreed to name this city as the capital, which gave importance to the eastern region within the Empire, and allowed these trade routes to be better managed and protected by the Roman government.
