Brutus

Hadrian’s peace policy was controversial, he abandoned Trajan’s conquests in Dacian Romania and Parthian Persia to concentrate on consolidating the Roman Empire. The problem was that the Roman Empire needed continual expansion, including war booty and slaves, to fund the empire and feed the growing populace of Rome. This policy certainly did not prevent future conflict with Parthian Persia.
Historians debate whether Hadrian’s defensive posture was wise. Were there prosperous provinces left to conquer on the frontiers? On the other hand, the successful expansion of the empire by the Byzantine Emperor Justinian several centuries later nearly bankrupted his Empire. […]