Answer: The Nile flooded at regular intervals; the Tigris and Euphrates flooded irregularly.
Explanation:
It would be the power to "<span>B. make treaties with foreign countries," that is an inherent power of the national government, since it would be nonsensical for the individual states to attempt to do so. </span>
A) Did it on Edu ! HOPE YOUR HAPPY
I would say answer number 4
