Answer:
The changeable nature is the characteristic in "How Grandmother Spider Stole the Sun" that most affects the action of the story.
Step-by-step explanation:
"How Grandmother Spider Stole the Sun" is a short story adapted from a Cherokee legend, where the animals hear what the sun is about and decides to act to bring it to the land, since its benefits are innumerable.
A characteristic that most affects the development of this story is the changeable nature, which leaves the scenario undefined and passable to the reader's imagination. This combines with the fact that without the sun, it was impossible to see the surrounding universe.