The author uses symbolism in order to show the theme of discrimination based on race coming from within the system without being blatant and too straight forward. She uses the map that is being used by the brother in the story in order to symbolize division and separation. This effect is amplified by the fact that the brother and his friend are at the border, and they were interrogated mainly because of their race. The author also used a book in order to show that the theme of discrimination based on race is not only coming from the interrogator, but it is integrated into the system…