The Japanese attack on Pearl Harbor, Hawaii on December 7, 1941 sparked U.S. involvement in World War II and generated a reactionary movement against Japanese Americans. This primary source set focuses on reactions in the United States following the attack. Images include Japanese-Americans being moved, the signing of Executive Order No. 9066, and “evacuation sales” held by evacuees. The set also includes two activities to drive student understanding and promote interest in the subject.