Support troops with paying for supplies
Can you make these question a little more clear so I can solve it.
They believed that the world was standing still and that it is curved. That is why on one side it seems as if the sun is rising and on the other it seems as if the sun is setting. They also believed later when Ra was created that it was related to him and that the sun coming out is his birth. There are many myths regarding this.
Nomadic Empires contributed well in information dissemination and cultural assimilation in different parts of the world. They were able to change history because of the different stories they share and the culture that they relate to people. Aside from these, the trade of produce and services were brought to different parts of the world with ease and with the added effect of cultures and traditions.