Help with all pls for brainiest answer

Step-by-step explanation:

4.) Pyramids were built for religious purposes.

5.) About 450BCE a Greek historian named Herodotus called Egypt the "Gift of the Nile" because the Egyptian civilization depended on the resources of the great river.

6.) Tgat their social division were ok can caused no troublez with fair income for nearly everyone, thus there was no conflict.

b.my answer is b.

brainliest