This is more of a psychology question than an English question, but coping mechanisms in general are all used to deal with stress. Stress covers a variety of influences as anything that affects one's mental or physical state.
I would assume that this is Propaganda against Hitler so I would say that they would dislike this type of cartoon
Gloomy
The author's tone is is gloomy as it is discussing death.
Explanation:
The irony in this question is that Mr. Goodenwell was trying to keep his son safe and in the act of this his son got hurt with part of the equipment that was supposed to keep him safe.
