What exactly is the name of the book?
A moral dilemma is a conflict in which you have to choose between two or more actions and have moral reasons for choosing each action.
When she saw the grew clouds moving overhead she knew it was going to rain
Answer:
To watch his woods fill up with snow.
Explanation:
Frost is just stopping because he is struck by the beauty of a single scene, a single aspect of nature which we can all relate to--the snow, the trees, the silence.