Why did the egyptian civilization develop without outside influence?

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.

i believe he was the 5th king of uruk. so c