<prompt> Translate the following text to EnglishUkristo ulianzishwa katika karne ya kwanza baada ya Kristo, lakini haukukubaliwa hadi mwishoni mwa karne ya nne, wakati ulipokuwa dini rasmi ya milki.  <response>: Christianity was introduced into Gaul in the first century a.d. , but was not really accepted until the late fourth century, when it became the empires official religion. 