With the A. migration of people from fertile areas, knowledge of agriculture spread by diffusion.
When people migrate from a place, they move into other areas. When something diffuses, it spreads around.
No clue what the question is?
There’s no part A? What does it mean with coming to America
Thinking the world is innocent is better then knowing what actually goes on
I think a good title could be the Holy grammar emperor
I know it doesn't make much sense but cesar was an emperor and your essay talks a bit about grammar