People needed to move to new areas because of the floods
Explanation:
Memphis and Thebes. Both was main cities and both located on the Nile River.
Also, I don't know why, but it also says Cairo and Alexandria were both on the Nile River. I believe these two would be correct.
This is basically just from search btw! :
An average college student could expect atleast 5 (five) classes per semester
