Was The United States Justified?

Was the United States justified in its policy of keeping Japanese Americans in internment camps during World War II ? The United States main reason for moving Japanese Americans into camps was out of fear. When the Japanese bombed the Pearl Harbor it caught the United States off guard. After their attack, the United was thrown into the war in full effect. During this time it was a great fear of another American soil attack, but this time they believed it would be within the United States.
Even though some many say it was as wrong I believe the United States was justified because I believe that they were trying to protect their country. They feared that another attack would happen and that could endanger the U.S citizens. I believe that's their