Therb figures that are credited with the spread of Christianity from the Byzantine Empire to Slavic people groups are: Michael Cerularius and Constantine XI. Option 2
In the first century, a Second Temple Judaic sect called Christianity emerged in the Roman province of Judea, from whence it spread across the Roman Empire and beyond.
Christianity eventually drew adherents from all around the Roman world, including Jewish towns. The apostle Paul was in charge of starting this new religion off on the right foot. To promote the Christian message throughout the Roman Empire, Paul journeyed almost 10,000 kilometers.
The disciple Paul played the most important part in the spread of Christianity after Jesus' death. He visited numerous locations and converted people through preaching.
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