Why did the US government think internment camps were necessary during World War II?

After Japan attacked Pearl Harbor in 1941, the U.S. government claimed that forcibly relocating Japanese Americans was necessary to prevent espionage and sabotage during wartime. It presented the camps as a national security measure, although the policy was driven by fear and prejudice and was not justified by evidence of widespread disloyalty. The correct choice is B, to protect national security.

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