The correct answer to this open question is the following.
Although there is no reference attached, we can say that they felt a certain amount of relief in being sent to the internment camp in Manzanar because they thought that other people could harm them, so being at Manzanar camp represented an opportunity to be protected.
Located in the state of California, Manzanar was a concentration camp ordered by US President Franklin D. Roosevelt during World War II, to send Japanese-American families that lived in the Pacific. From the end of 1942 to 1945, almost 118,000 people were sent to these camps. They lived under poor conditions due to the cold weather of the region and the dust storms.