Question

why does cofer establish the differences between el building and eugenes home in american history?
o to reinforce that eugene and elena could never be friends because of their different backgrounds
o to help the reader better understand elenas feelings and motivations
o to show how elenas life changes after her family moves to the united states
o to criticize the class differences that existed in the 1960s

Explanation:

In "American History", the differences between El Building and Eugene's home are used to delve into Elena's character. By contrasting these two settings, the author allows the reader to gain insight into Elena's emotions and what drives her. It is not mainly about showing life - changes after moving to the US, criticizing class differences in the 1960s, or ruling out friendship between Eugene and Elena.

Answer:

to help the reader better understand Elena's feelings and motivations