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← HistoryWhich outcome occurred as ancient Chinese iron ploughshares improved?
A)Greater agricultural surplus developed✓
B)Population growth became unsustainable
C)Increased dependence on draft animals
D)Widespread soil erosion accelerated
💡 Explanation
The mouldboard plough relies on soil inversion, improved via better ironsmithing; therefore, increased agricultural yield spurred urbanization because this improved efficiency, rather than degradation as plowing was more refined.
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