Answer:
to protect national security
Step-by-step explanation:
When Japan initiated a war at Pearl Harbor, the US was forced into the war of World War II.
A few months later, President Franklin Roosevelt issued an order called the Executive Order of 9066.
To curb the Japanese power, this order gave the rights to the US to relocate the Japanese-Americans into the internment camps.
After the issue of the order, around 100,000 Japanese-Americans were relocated.