Why was elie wiesel giving a speech at buchenwald concentration camp?

The correct answer to this open question is the following.

Elie Wiesel gave a speech at Buchenwald Concentration Camp because he wanted to dedicate a moment to celebrate the life of his father. Wiesel was a survivor of the concentration Nazi camps during the Holocaust in World War II years in Germany. His messages and activism for world peace made him the winner of the Noble Peace Prize in 1986.

chapter i -- paris: september, 1792

a surging, seething, murmuring crowd of beings that are human only in name, for to the eye and ear they seem naught but savage creatures, animated by vile passions and by the lust of vengeance and of hate.

during the greater part of the day the guillotine had been kept busy at its ghastly work: all that france had boasted of in the past centuries, of ancient names, and blue blood, had paid toll to her desire for liberty and for fraternity.

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