Its either a or c I'm not completely sure
The answer is the readers Senses. Because it helps us better imagine the settings as if we were there.
The primary assumptions were that the Executive Branch, in the "prosecution of war", has the right to take every precaution and every action in order to prevent espionage and other domestic threats.
This was tied to the assumption that Japanese Americans presented a danger to the United States, and that their ultimate loyalty was to the Japanese Empire.