Answer:
I think its B, if its not Let me know
Explanation:
The congress was very powerful at the time and needed to be put in line. The two branches were created to control it. The remaining two branches were not specifically enumerated as thoroughly because they were still weak at the time and their power developed over time.
Ancient Egyptian tradition credited Menes, now believed to be the same as Narmer, as the king who united Upper and Lower Egypt.