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.