Asmall settlement formed along the nile river following the neolithic revolution. as the settlement grew, it developed complex social institutions and advanced technology. what other development does the settlement need to be considered a civilization?

The correct answer for the question that is being presented above is this one: "In order for the settlement to be considered a civilization it would have to have some system of writing in order to facilitate communication."  A small settlement formed along the Nile River following the Neolithic Revolution. As the settlement grew, it developed complex social institutions and advanced technology. 

Where are the following ?