Answer:
language barriers,
unfriendliness of the people
poor transport system
poor communication system
illeteracy
(As i have heard from my teacher) there are only 8 wonders in the world of ancient civiliazations..! :)
The most important individual responsible for the inclusion of Roman educated intellectuals into early Christianity was "<span>a. Augustine of Hippo," since he thought that this would greatly help stabilize the empire. </span><span />