Why did FDR issue Executive Order 9066?

here

Explanation:

Issued by President Franklin Roosevelt on February 19, 1942, this order authorized the evacuation of all persons deemed a threat to national security from the West Coast to relocation centers further inland.

b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything

do u have any answer choices?