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How did the Roman Empire adapt into a monotheistic society?

Use RACE. (Cite evidence by using the sentences we underlined.)
“Christian Communities throughout the empire grew at a rapid rate due to insecurities of the time”
“Christianity was also popular because it offered the emotional satisfaction of religious love and preached the equality of all people”
“As a result, during the first centuries AD, the Christians were regarded as traitors and were persecuted by the Roman emperors”
“Christianity was legalized in the eastern half of the Roman Empire.”
“Constantine became the first Christian emperor of the Roman Empire.”
“In short, Constantine was responsible for the conversion of the empire from paganism to Christianity.”
“Christianity was one of the most important Roman legacies to Western civilization.”