This seems like a choose whatever question honestly, i would not go with one hundred tho.
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
Answer:
It let china communicate with other nations for resources they needed.
Explanation: