Read the following excerpt from Farewell to Manzanar by Jeanne Houston and answer the question that follows. Farewell to Manzanar is a story that tells about life inside a Japanese internment camp during WWII.
[Mama] would quickly subordinate her own desires to those of the family or the community, because she knew cooperation was the only way to survive. At the same time she placed a high premium on personal privacy, respected it in others and insisted upon it for herself. ...Almost everyone at Manzanar had inherited this pair of traits from the generations before them who had learned to live in a small, crowded country like Japan."
Which of the following best explains the themes explored by this passage?