As the ancient Roman empire moved into the late antiquity, the empire began to feel the impact of the significant Christian minority inside the empire. At the same time, it appears that the early Christian scholars picked up the dominant philosophies of the time and began to be influenced by it.
Also, the emperor and the imperial government began to have more of a presence in the various cities of the empire. So most of the upper classes began to rely of the emperor’s good graces to maintain their class status. Many of the old ways and customs began to transform in accordance with the times. As the emperor Constantine established the Christian religion as the official religion, this process accelerated.