We enjoy a long history be being afraid of those of whom we feel might harm us. Some have, of course and so it’s not an idle threat as one might think. Before internment, some Japanese were in facts unleasing info form Pearl Harbor and harming U.S. Troops. Yes, it’s easy to see us as the bad guy and at times, we were. But for other times there was a valid reason and other times, a valid reason was unreasonable. Examine the link above and see the damage with just this one ship. There were far more beginning in 1939 and so our hands have blood on them out of fear.