I think the correct answer from the choices listed above is option B. The narrator allude the to the possibility of requiring a wife who could match Adams social standards at the end of the sentence from Mark Twain's "The 1,000,000 Bank-Note". Hope this answers the question.
They had prosperous economy(great progress in agriculture, commerce, and handicraft industry) and flourished in science and technology such as developments of compass, gunpowder, and movable type printing.
Trustworthiness, honesty, humor
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