Christianity i would say
It was Orthodox Christianity.
Christianity, I hope. Although some say Christianity and football.
Christianity is relevant because it is the religion of many people in the world. Since Christianity is a major religion, many people base their decision on Christian beliefs.
Christianity
Christianity (Catholicism)
Christianity is the main religion of America
The main religion is Christianity, but a whole host of other religions are also present in Johannesburg.
Christianity is when we believe Jesus, God, and the Holy Family and we follow the ten commandments and such. Religion is what people practice and believe. Christianity is just one of the religion there are.
Christianity was the predominant religion. Though Christianity was the most popular and dominant religion, there were other religions that people practiced as well.
The religion in the Byzantine Empire was Christianity. This was the furthest extent of Christianity to the East. Further East were Islam and other major religions during this time. Christianity became the main religion because of Justinian's influence on the people.
Christianity, but not neccessarily catholicism, which was the first form of Christianity