Read the passage below from “Marigolds” and answer the question.

I had indeed lost my mind, for all the smoldering emotions of that summer swelled in me and burst—the great need for my mother who was never there, the hopelessness of our poverty and degradation, the bewilderment of being neither child nor woman and yet both at once, the fear unleashed by my father’s tears. And these feelings combined in one great impulse toward destruction.

What literary device does the author employ in the last sentence of the passage?

symbolism
irony
foreshadowing
imagery