Final answer:
Elie Wiesel is a reliable authority on life in the prison camp in Night because he personally experienced the Holocaust and was a survivor of Auschwitz and Buchenwald concentration camps.
Step-by-step explanation:
Elie Wiesel is a reliable authority on life in the prison camp in Night because he personally experienced the Holocaust and was a survivor of Auschwitz and Buchenwald concentration camps.
Wiesel's memoir is based on his own observations, emotions, and experiences during his time in the camps, providing firsthand accounts of the conditions, atrocities, and the daily struggles faced by prisoners.
Furthermore, Wiesel's extensive writings and speeches on the Holocaust, as well as his advocacy for human rights and genocide prevention, demonstrate his deep understanding and knowledge of the subject matter.