PLEASE HELP! The story is, My first day on the job"

Which theme is best supported by the descriptive detail in this passage from my antonia

Determine the meaning of the word *propel* using the context clues in the sentence. wind power is the ability to capture the wind in a way to *propel* the blades of wind turbines. a) to move slowly b) to urge onward c) to stop from moving d) to drive, or cause to move, forward

In this example, what does the author use to describe laurie