These two excerpts talk about the terrible problems people in Central America are living day in and day out. Violence, crime and corruption are common in that part of the world. The right answer is letter B. They both describe situations in which people are expected to commit crimes or face violence.
In the given excerpts from "Children of the Drug Wars" and "Enrique's Journey," the author's purpose is similar in the following way :
B) Both describe situations in which people are expected to commit crimes or face violence.
Immigrant children and teenagers are forced to sell drugs and commit crimes. If they refuse to do so, they have to face brutal violence and death threats.