Answer:
Jewish people had to stay hidden from the Nazis, some didn't survive because they hadn't eating in days, Nazis did Experiments on Twins. From 1943 to 1944,, and jewish people had to hide in cabins. people would get skin cancer from hidden in cabins for days or even years. All of the World War II experiments with mustard gas were done in secret and weren't recorded on the subjects' official military records. Most do not have proof of what they went through.
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