Because peole in the middle east have one specific belief in religion. Politics help them select their ruler. Econiomics help their land stay healty for crop and etc. geography to help the find trade routes.
The end of the Ice Age meant that there was going to be much more water than land. That flooded the ways of transport that Early People had, the result was that it as even more difficult finding food and shelter.
Have a nice day! :)
The authority to make laws.
I'm pretty sure its A. The collapse of Christianity.
It's purpose was to ban slavery in the territory acquired from Mexico during the Mexican War