Christianity's fundamental belief in one God conflicts with the belief in many gods of the ancient Roman Empire.

Christians do not believe that Jesus was the Messiah while most Romans believed Jesus was the son of God.

The religious beliefs of the ancient Roman Empire include the belief in life after death which conflicts with the Christian belief in reincarnation.

The religious beliefs of the Roman Empire stem from Judaism while Christianity was created independently of Judaism.

Buddhism

Hinduism

Judaism

Zoroastrianism

accepted Roman polytheism.

conflicted with Roman polytheism.

were accepted widely in Rome.

were endorsed by the Roman Emperors.