1. There was already existing hostility towards Japanese Americans, but it was exacerbated following Pearl Harbor. Executive Order 9066 led to Japanese relocation.
2. The Japanese Americans were initially not permitted to enlist after Pearl Harbor happened. Then when they were, a segregated unit was made for them in the armed forces.
Salva was moving with the crowd of people without his family members. He was pretty sure that his uncle died because the men murdered his uncle righr before Salva's eye.
Marial and his uncle were not next to him and Salva himself knew that they would never be seen again.
His uncle shared the food with everyone around him, but things changed Salva had to beg people for food.