"Like a goose down quilt, the snow lays thick and smooth over the land, unbroken by any adventuresome step." Note: "Down" is the
soft fine feathers of a bird. The simile in this excerpt is used to emphasize that the snow - A) Is the same texture as goose feathers. B) Has many lumps and footprints in it. C) Looks like a fluffy blanket neatly spread on a bed. D) Is the perfect place for an explorer to go.
Here's my answer he used many different internal tragedies in all the passages because he wanted to tell you about his life and how hard it was while he was a slave. I hope this helps.