I Hope this helps.
If any farther questions lmk
It showed how refined his characters were. It tended to show a more eloquent way of speaking. The way iambic pentameter works is a combination of 5 stressed and 5 unstressed syllables its almost chant like which shows the witch sisters almost hypnotic way of speaking. It allows us to know they are witches.
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The narrator comes from the Midwest. The excerpt describes one of the reasons he and many others moved to the big Eastern cities, especially New York: ambition. Life in the Midwest seemed small and limited compared to the bustling metropolis, which offered more possibilities for advancement, and the desire for wealth is one of the themes in <em>The Great Gatsby</em>. As Sinatra, would later sing, "If I can make it there I'll make it anywhere".
