The government justified it by saying that is was for finding spys and people still loyal to Japan. So in other words for the safety of the country, since everyone was scared and angry after Pearl Harbor.
Internment camps
There were internement camps because Americans were afraid there were Japanese American's were spying for the Japanese so all Japanese even innocent people were forced into camps just because they were from a similar spectrum of background as the pilots who had bombed Pearl Harbor.
If there is no reason for it then obviously no reason can be given.
In Defense of Internment was created in 2004.
the fear that Japanese-Americans might betray the U.S.
In Defense of Internment has 376 pages.
there are 39 diffrent Japanese internment camps
See website: Japanese-American internment
Honouliuli Internment Camp was created in 1943.
Honouliuli Internment Camp ended in 1945.
The effects on the internment of Japanese-Americans was negative psychologically. Shock and fear plagued the Japanese-Americans as a result of the internment camps.
See: Japanese American internment