Hello.
The answer is the nile river.
The Nile River was a <span>geologic feature made it possible the union of upper and lower Egypt.
The nile is the largets river so it could reah to the upper and lower Egypt.
Have a nice day</span>
In 1960 BCC this happened
Diyala,Anbar and Samarra
Easy! Hope this helped
Knoxville was the first capital city of Tennessee. And Nashville is the current capital.