In the centuries following the conquests of Alexander the Great the dramatic unification of the Mediterranean World created exceptionally fertile soil for the growth of new religions.
Like the other "mystery cults" of antiquity, Mithraism kept its beli.
However, Christianity had many competitors, and one of the most remarkable of these was the Ancient Roman "mystery religion" of Mithraism.
Christianity, for example, was one of the innovative religious movements that arose during this time.
In the centuries following the conquests of Alexander the Great the dramatic unification of the Mediterranean World created exceptionally fertile soil for the growth of new religions