How did shakespeare create a distinction between the educated nobility and the coarse lower classes?

By having noble character speak in iambic pentameter while the lower classes spoke in plain blank verse or prose

well, number 1, the 1920s was not economically prosperous until the start of the lend-lease act, which employed large amounts of people in producing equipment for the allies.

b. world war ii is your answer, because wwi had already ended at 1918, and the cold war was after 1945.

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