It was Judaism.
AnswerChristianity is believed to have started in Galilee and Judea.
For the most part of their history, the Roman leaders were concerned that their gods would withdraw their support. That's why they sacrificed to them and honored them with their various festivals and temples.
Christianity.
hello. the leaders of the roman catholic religion (catholic religion) is the pope (he is the leader) . there are alo bishops, deacons and i think that there are some more people who are leaders of the catholic religion.
The Roman leaders were known as Caesar.
New religions abounded in the Roman Empire. The leaders opposed a religion if they perceived that it was a threat to the established political order.
The Emperor Constantine, who was the ruler of the eastern empire, converted to Christianity and made it the state religion. This began the Holy Roman Empire.
The dominant religion in the Roman Empire was the Roman religion until Christianity became the dominant religion.
Roman religion
The first priority or his number one concern was to do all he could to insure his security. This was a concern of the first Roman emperor Augustus. He was the heir of the assassinated Julius Caesar. Unlike Caesar, Augustus had a number of personal body guards. He also had a garrison of troops called the Praetorian Guard garrisoned nearby to add to his and the governments security. Also, unlike Roman leaders of the past. the Roman military swore a personal oath to him and not the Roman Senate or to any other Roman institution.
One religion that Roman leaders considered a problem was Druidism. this was because the leaders of the Druid cults proposed war against the Romans and caused civil unrest throughout the Celtic areas. The rites of Bacchus and Christianity were also problematical for the Romans.