Question 1: which. Question 2: that.
It allows him to hear the war drum that forces him to kill. The acute silence makes the narrator so uncomfortable, he must make the old man scream. The narrator thinks that only killing the old man will make all of the surrounding noises disappear
An example of a character from The Book Thief showing hypocrisy is Hans Hubermann. Hans returns from the war and starts losing business. Most of his customers are Jewish and the Nazi party is persecuting the Jews. ... This shows Hans being a hypocrite because he is against the Nazis and what they do
