I believe that it is Man vs Nature because the thunderstorm creates an obstacle for said character.
Answer:
"If you do not build positive relationships with others, you may find yourself alone when you need others the most."
Explanation:
Since pathos is an emotional appeal to the audience. so in this case to convince someone to donate money for a park, you could tell them stories about children who do not have parks to play at or a vision of all of the happy children playing at the park. Really anything that is going to evoke some kind of emotion out of the reader/viewer
