Respuesta :
Answer:
The Romans had the best army force so that they governed by force. they also had strict laws and government.
Explanation:
Answer:
Road System or Large Army or Good Organization
Explanation:
The Romans had multiple things that factored into their large empire, such as an effective road system for fast locomotion, a large army to defend against invaders and conquer land, and good organization in leading and deciding what to do.