In 1942, President Roosevelt issued a series of executive orders that authorized the military to remove persons of Japanese ancestry from the West Coast and relocate them to internment camps. In 1982, a commission established by Congress to review the reasons for the relocation and internment found that the decisions were not justified by military necessity. The commission found that the decision to relocate and intern Japanese- Americans was the result of "race prejudice, war hysteria, and a failure of political leadership. The commission findings reflect a change in views on what subject?​