I would estimate that the first one is the answer.
I looked up the summary(s) for both the passages, and 'to build a fire' is about a guy who despite everything being against him, being persistent and dying because of his actions, while 'gumption' is about the hardships of african americans.
Of course, this is just my estimation.
There was a moment near sunset, when katie felt like the old oak, and laying for winter, which had shed its leaves, was the one thing that actually listened
Answer
Hi,
It is defined as the fulfillment of individual’s hopes and ambitions.
From the definition, self-fulfillment is good to the society because it enables a person live his/her life well, a life that contains satisfaction of what is done giving a person fruitful and worthwhile life experience.
An example could be attaining academic goals or career goals after studying hard in school.
Explanation
When a person is able to attain his or her life goals, happiness and joy accompanies that individual because what was in the master plan was attain. In this concept, a person lives a life with satisfying events which can be understood as a worthwhile life. If every person works towards attaining the set life goals then the society will grow into a positive and peaceful one.
Wish you luck!