Answer:
Letters and publications written by Nazi leaders before the Second World War.
Explanation:
This answer is correct because this historian is searching for the motives of these perpetrators, letters and publications can tell their thoughts and conversations.
It should be the south but if it’s wrong sorry
What occurred in the camps in 1942?
<u>A. Jews were moved out of the camps in the West and sent to Eastern Europe</u>.
B. A forced death march westward
C. New labour projects
D. The construction of a gas chamber at Dachau
E. The closure of Dachau