A.
They disagreed about who should control certain cities and regions.
When a diffusion comes along it usually causes diversity between the people who diffused it.
example:
john : i hate this culture!
jane : shut ur mouth !
john : this needs diversity !
<span>The staple drink of both the elite and common people in the ancient world was beer.
Staple drink means basic drink, wine and beer both are used by the people in the ancient world. The alcoholic drink which is most widely consumed is beer.
After water and tea, it is third most popular drink in the world and people enjoyed drinking beer.</span>
