It would be commutative property because no matter how you put the situation the answer will not be different/ and or wont change
I think it is b kings eras acquired the wealth necessary
At this time the capitol of Upper Egypt was known a Nekhen while the capitol of Lower Egypt was Nekheb later called Heiroconopolis (the falcon city).
After many years of warfare it was the warrior-king Menes (c3000BCE) whose armies finally defeated the armies of the southern nomes or city states, that are collectively known to us as Upper Egypt.
hope this helps