Assuming that you want this simplified...
Use the FOIL method and combine like terms:
And your final answer is: 
The correct answer is C.
The Ferlite Crescent is a region named due to its crescent shape which was inhabited by ancient civilizations such as the Sumer or the Ancient Egyptians. In the settlements of this region, agriculture begun due to the excellent conditions for growing crops generated by the inundations of the rivers Nile, Eufrates and Tigris, that enabled very profitable agricultural activities and animal husbandry.
This area is also important due to the emergence of crucial inventions and technological developments such as the wheel, glass, writing, and also, related to agriculture, the first irrigation systems.
King Nabopolasser under whose leadership was the Chaldean Empire established
A, it gives an understanding of what is going on and gives everything context
