Which geographic feature was central in the romans unify their empire?

- Roman Located in the middle of Mediterranean Trade Area which significantly increased its economic power

- Roma surrounded by Fertile lands, so they can easily produce high quality Agricultural products in a large numbers

- Roma Surrounded by Natural terrains such as mountain and hill which increase their defense

The geographic feature wich was central in helping the Romans unify their empire was actually multisided. On one hand they were in the heart of Europe - being on the peninsula where Rome was located gave them a very central location which had at the same time good connections to the sea. All of this made it easier to establish good roads which enabled a unificationary vision of Rome.