Answer:
They left Mesopotamia to live somewhere else. It might have been because the food(animals) moved around or something, but they don't usually stick around in one place for a long time.
Explanation:
The Constitution dictates that the presiding officer of the Senate is the Speaker of the House-<span>President pro tempore
</span>
The answer is a) Division of labor.
Hope this helps!
-Payshence xoxo
So basically not communicate with another individual !
