Answer:
by introducing new method s of agriculture like land reclamation
D) the Tigris, Euphrates, and Nile
Those are the only rivers listen that are in the middle east
"The author portrays the character with a few simple traits" would describe a flat character, since "flat" is the opposite of "deep" when it comes to showing different character trains, personality flaws, etc.
Answer: Canada follows a parliamentary system while the US follows a presidential one.
Explanation: