Which federal government action was authorized by Executive Order 9066 of 1942?

While the United States did employ military tribunals to try suspected enemy agents during the war, this action was not related to Executive Order 9066. The tribunals were a separate legal process established to address issues of espionage and sabotage, distinct from the internment policy directed at Japanese Americans.

The entry of the United States into World War II was prompted by the attack on Pearl Harbor on December 7, 1941, and was not authorized by Executive Order 9066. The order was enacted well after the U.S. had already entered the war, focusing instead on domestic security measures affecting specific populations.

The desegregation of the U.S. military occurred later, primarily through Executive Order 9981 in 1948, which aimed to end racial segregation in the armed forces. Executive Order 9066, on the other hand, enforced the internment of Japanese Americans, making the two orders unrelated in purpose and timing.