Why does okita include a description of the speaker

Answer: To highlight the fact that the speaker is no different from any other average American girl

Okita described the speaker in order to

(1) emphasize the cultural differences between Japanese Americans and other Americans

(2) draw attention to the social injustice of Japanese Americans being interned

to highlight the fact that the speaker is no different from any other average American girl

to call attention to the tear in the narrator's relationship with her best friend