The Roman empire was well organized with good roads & active trade, so the new religion could spread easily. Constantine was a sun worshipper who feigned Christianity so he could take control and throw out it's one and only goal
<span>The Delian League was created to for "all of these reasons," since it became clear that a larger amount of organization was needed in order to keep the individual city states prosperous. </span>
It means that a Hindu social class system has every aspect and dimension of life in it. It means that it supports certain ideas and meanings in the everyday life. I hope this helps, :)