Love, family, family, and I believe that the last one is love by Juliet?
The style of "Gumption" is different from that of "To Build a Fire" by The style of "Gumption" is developed through personification, while the style of "To Build A Fire" is overly informal.
Technically, the story seems to be third person limited omniscient. It's told in the third-person, and only follows Della. We don't see what Jim is doing during the story, and once he does show up, he remains closed to us: we don't know what his reaction to Della's hair is any more than Della does.