How would you feel if you were punished for something you didn’t do? This is what happened to many Japanese Americans. After the Pearl Harbor attack, the Americans lost trust with the Japanese Americans. There were many events that caused the Japanese internment camps, not just the Pearl Harbor attack. Political pressure was also a big factor. Although all three causal factors, (cultural, economical, and political) were important, the most important was political. The first, but not most important causal factor of Executive Order 9066 was cultural. One detail that supports the claim is in the text Japanese Americans, on page 13, “Tremendous political pressure was put upon President Roosevelt by California and their congression to intern