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?
The theme explored is the importance of family. Even when having nothing else, they still had their family.
The theme explored is one of losing one's beliefs and desires in order to satisfy the expectations placed on you by others
The theme explored is one of war and what a country will do in order to win and protect its land.
The theme explored is one of courage and being brave in the face of hardships.