<P> Many of these Early Christians were merchants and others who had practical reasons for traveling to northern Africa , Asia Minor , Arabia , Greece , and other places . Over 40 such communities were established by the year 100 , many in Anatolia , also known as Asia Minor , such as the Seven churches of Asia . By the end of the first century , Christianity had already spread to Rome and major cities in Armenia , Greece and Syria , serving as foundations for the expansive spread of Christianity , eventually throughout the world . </P>
who is credited with spreading christianity to the far reaches of the roman empire
merchants and others who had practical reasons for traveling to northern Africa , Asia Minor , Arabia , Greece , and other places