Respuesta :
Roman engineers built bridges and roads, which allows for more quicker travel from one part of the empire to another. They also built forts and walled cities in many places, and filled them with supplies, so that if there was a revolt, the Romans there (if they are outnumbered) are able to take refuge inside until reinforcements arrived.
These all help their military have a higher chance of surviving, faster transportation, etc, and it made their armies the most strongest in that era
The correct answer is A) roads and bridges helped improve trade and communications.
Roman engineers skills helped to strengthen the Roman Empire in that roads and bridges helped improve trade and communications.
The Roman Army had to travel long distances and the Roman engineers had to build good roads for the heavy transportation of military chariots. Roads also had to be in good conditions because trade was a big part of the power of the Roman Empire. Roads were used to transport people, animals, and goods to other territories. Roman engineers also built great monuments, palaces, and monumental places such as the famous Colosseum. Roman Engineers also built aqueducts.