What was the impact of the dehumanizing treatment the prisoners in concentration camps
endured?

Elie Wiesel transforms from being a happy Jewish boy in Sighet, to becoming just another piece of detritus in his surrounding society at Nazi concentration camps.

The first concentration camp in the Nazi system, Dachau, opened in March, 1933.

the answer would be d. he tells the story through a teenage narrator.

honestly, is this even a but since you asked, he's probably at the store trying to get you food.