When was Christianity made the official religion of the Roman Empire?

What was one effect of nation industrialization

The nye committee report created the impression that america's entry into world war i was influenced by

Which statement can be said to be true after examining this map? (1 point) christianity remained popular in egypt after 400 ad. christianity was the only religion in the roman empire until 476 ad. christianity expanded in the roman empire after 325 ad. christianity did not expand beyond the boundaries of the roman empire by 476 ad