Relier Pairs Lesson 23: The Han Dynasty Version en ligne Pages 255-259 par ASHLEY DAVIS 1 LONG TERM EFFECTS: The Han invent the wheelbarrow. 2 LONG TERM EFFECTS: The Han invent the chain pump. 3 LONG TERM EFFECTS: The Han invent the iron plow. 4 SHORT TERM EFFECT: The Han invent the wheelbarrow. 5 SHORT TERM EFFECT: The Han invented the chain pump. 6 SHORT TERM EFFECT: The Han invent the iron plow. More agricultural products are brought to market and to shared grain storehouses. Large areas of land can be planted more quickly, allowing farmers more time to build homes. Heavy loads can be carried longer distances, with less effort. Droughts can be more easily survived, and enough food can be grown to feed families. Water can more easily be moved from low irrigation ditches to fields. Less work is needed to push dirt away from the row being plowed.
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