Cohensive ? It’s hard to read tho I might be wrong
Answer:
I don't know, since I haven't read the story,, but I would like to guess it's because he is afraid that they would target nim next.
The simile “lay down / to sleep like a snow-covered road / winding through pines” refers to death. To be more exact, to death of the author's father. The message that author wanted to convey is to show how people can pass through their loss and to represent all the loneliness of death, comparing it to the loneliness of the winter road, empty and deserted.