I believe that as a child he was wounded by the tusk of a wild boar when he was out hunting with some relatives (grandfather and uncle), and that wound left a scar on him.
Answer:
lines 4 5 and 6 of the first passage
I believe it was patient and reflective, but the tone does shift throughout the letter.
infinitive (to work), gerund (working), and noun clause
Its the concentration camps, but dont get confused with prisons because it sounds really similar.