Answer:
The person who said these lines is the Nurse.
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.
Answer:
I think it is propoganda because the statement is doing more than forming an opinion. By saying "If purchased, will serve all of your digital needs" tells me that this statement is promoting Itablets. But I am not 100% sure.