Examine the map and answer the following question: how does the math support the conclusion that the Nazis wanted to operate extermination camps in secret
A. The map shows that extermination camps were located away from major cities
B. The map shows that extermination camps were located only in occupied territories
C. The map shows that extermination camps were located only in territories outside of Germany
D. The map shows that extermination camps were located in areas primarily populated by Jews