Answered by Helen
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Nov. 12, 2023 22:56
1. Backward productivity, resulting in slow construction, starvation and countless deaths.
2. Heavy corvee, long construction period, poor natural conditions.
3. The construction of the Great Wall used one tenth of the country's strong labor force, resulting in a decrease in grain production.
4. Located in the north, the winter is cold and long, and countless builders freeze to death.