Will give brainliest

The answer is
B. Reticular activating system
Because it’s the part of the brain that’s responsible for arousal and awareness.

In 1944, the Supreme Court upheld the authority of the U.S. government to order the internment of a minority group in the interest of national security, 
The basis of this action is to strengthen the national security, but there no evidence that any members of this group commit an act of treason/disloyalty to the country