During the eighteenth century, widespread changes in agriculture, known as the agrarian revolution, involving the large-scale introduction of enclosed fields, of new farming techniques and crops, and the substitution of commercial for subsistence farming.
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Arevolution, involving the large-scale introduction of enclosed fields, of new farming techniques and crops, and
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Brevolution, involved the large-scale introduction of enclosed fields and of new farming techniques and crops, and
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Crevolution, which involved the large-scale introduction of enclosed fields and of new farming techniques and crops, and
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Drevolution involved the large-scale introduction of enclosed fields, new farming techniques and crops, and of
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Erevolution that involved the large-scale introduction of enclosed fields and new farming techniques and crops, and of
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正确答案: B