Final answer:
According to Paul the Apostle, faithful followers of Jesus are granted participation in all the blessings of Christ and the church, which is a divine gift from God. Paul spread Christianity to cities like Ephesus, Corinth, Thessalonica, and Rome, where he encountered the religious and cultural experience of the Greco-Roman world.
Step-by-step explanation:
According to the writings of Paul the Apostle, the faithful followers of Jesus are granted participation in all the blessings of Christ and the church. This is a divine gift from God and does not require indulgence letters. Paul spread Christianity to cities like Ephesus, Corinth, Thessalonica, and Rome, where he encountered the religious and cultural experience of the Greco-Roman world, which played a major role in the formation of Christianity.