What is Joy Kogawa's Obasan (1982) about?

Joy Kogawa's Obasan (1982) tells the story of a young woman living in Canada whose mother returns to Japan to visit her family right before the attack on Pearl Harbor. Because of this incident, the mother is trapped in Japan and cannot return to her family. The young girl, along with the remaining members of her family, is then forced to move to a relocation camp until the end of the war. The story is told in reflection and covers her feelings of loss and the mistreatment of Japanese people during World War II.