Not the first time it was done in time of war.
The Navajos were relocated during the Civil War due to pro-South mormons in Utah arming them and urging them to attack Union forts.
Apaches in Southern New Mexico because they welcomed in the Confederate Army.
Whites in Missouri were forced to relocate due attacks by pro-Southern Guerrillas. https://en.wikipedia.org/wiki/General_Order_No._11_(1863)
German-Americans in the US in World War I and II.
https://en.wikipedia.org/wiki/Internment_of_German_Americans
It will happen again..................