SORU 16 : --- (16), the illegal killing of protected animals, occurs in Africa for a variety of reasons. The most profitable reason is the ivory trade. Hundreds of elephants and rhinos --- (17) every year for their ivory tusks, --- (18) brings about a sizeable profit on the black market. Many hunters also poach for the sport of it, the thrill of the hunt. Many of the country's native peoples, however, poach animals --- (19) to stay alive. --- (20) the wildlife of Africa roams so freely, many people and crops are damaged and destroyed every year and natives poach the animals for self-defence.

A) Arson
B) Poaching
C) Vandalism
D) Abduction
E) Extinction