Why is Francie the most dynamic character in A Tree Grows in Brooklyn

Which rhetorical device is used in this excerpt from "the danger of lying in bed" by mark twain? "if i am going to travel by rail i shan't need it. lying at home in bed is the thing i am afraid of."

Asap read the bottom. use these 7 words to make 2 similies, 2 personification, 2 metaphors, and 1 of any so much backpack toaster drummer beach heart bicycle microwave examples: (if the examples were a quarterback, a wave, and stars) 1. the quarterback is a cheetah running down the field. (metaphor) 2. like a wave, the birds in autumn move through the air crashing into invisible shores. (simile) 3. the stars danced in the night sky. (personification) remember to write using complete, correctly capitalized sentences for each of the examples you provide. also, proofread and spell check carefully.

Can you guys me with the story things fall apart?