Smallpox took its toll on the Aztecs in several ways. First, it killed many of its victims outright, particularly infants and young children.
The Quraan was verbally sent down in parts to The Blessed Prophet Muhammad (peace be upon him) by the archangel Gabriel (Jibril) at the age of 40. The Quraan was finally compiled after the Prophets' death at 63 during the ruling of Umar son of Khattab (RA).
Please do NOT quote me on this. I will look further into it if needed.
Coastline can be used for fishing (I think that the coast could be used for trading overseas.)
The United Nations. They also helped prevent any more world wars.
The answer to your question is B-The IIiad