What is the most important reason that Christianity is so geographically widespread? A.the emigration of Christians to non-Christian areas around the world B.the conquest of non-Christian areas by Chr

What is the most important reason that Christianity is so geographically widespread? A.the emigration of Christians to non-Christian areas around the world B.the conquest of non-Christian areas by Christian colonial powers C.trade between Christian nations and nations of other faiths D.the increased availability of new technology and forms of communication