The factors included in the answer are the camps' distance from the West Coast, their location away from major cities, the choice of barren areas, and the possibility of being on American Indian reservations.
The factors included in your answer are:
A) Camps were far from the West Coast, or exclusion zone: The internment camps were located away from the West Coast and the exclusion zone to provide security and minimize the risk of espionage.
B) Camps were far from major cities and population centers: The camps were situated in areas that were not heavily populated to reduce the chances of resistance or interference.
C) Camps were in barren areas, which made it difficult for potential spies to escape: The camps were often located in barren areas such as deserts or swamps, making it challenging for any potential spies to escape undetected.
D) Camps were often constructed on American Indian reservations: In some cases, the internment camps were built on American Indian reservations, further isolating the internees and restricting their movements.