Final answer:
The student's question refers to Emperor Constantine, the first Christian emperor of the Roman Empire, who strategically used Christianity to unify and control the empire, leading to the expansive spread of the religion and the establishment of Christian governance.
Step-by-step explanation:
Emperor Constantine's Influence on Christianity
The student's question appears to concern the Emperor Constantine, who was the first Christian emperor of the Roman Empire. Emperor Constantine's conversion to Christianity and subsequent policies had a significant impact on the Roman Empire and the world. After experiencing a vision before a crucial battle in 312 CE, he converted to Christianity, leading to his victory. Critics have suggested that Constantine's conversion was a strategic move to unify and control the empire, but it also resulted in the expansive spread of Christianity during his reign and beyond.
Emperor Constantine held power as the sole emperor for the majority of his reign, promoting Christianity and establishing it as the state's favored religion. His actions included ceasing the persecution of Christians, supporting Christian institutions, and becoming a patron of the Church. This led to what is sometimes referred to as the Constantinian shift, which was a turning point in the history of early Christianity.
After Emperor Constantine's reign, his sons continued to defend the empire's borders, further promote Christianity, and pass laws against pagan practices. His legacy, however, was threatened by his nephew Julian who attempted to revive paganism with no lasting success. Emperor Constantine's reign thus marked the beginning of a new era where Christian governance in the empire prevailed.