Answer:
A sentence that makes a statement or assertion is called an assertive or declarative sentence. Assertive sentence ends with a period. Examples. He goes to school. He likes to play chess.
The correct answer is B) "These children are facing threats similar to the forceful conscription of child soldiers by warlords in Sudan or during the civil war in Bosnia. Being forced to sell drugs by narcos is no different from being forced into military service."
The author is bringing up a somewhat similar abuse of children which has already been thoroughly documented and the targeted audience likely have prior knowledge on.