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.
A. revolution, involving the large-scale introduction of enclosed fields, of new farming techniques and crops, and
B. revolution, involved the large-scale introduction of enclosed fields and of new farming techniques and crops, and
C. revolution, which involved the large-scale introduction of enclosed fields and of new farming techniques and crops, and
D. revolution involved the large-scale introduction of enclosed fields, new farming techniques and crops, and of
E. revolution that involved the large-scale introduction of enclosed fields and new farming techniques and crops, and of
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