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The Qin empire build a long defensive wall and canals and standardized wights and measures.
The Ming Dynasty.
the great wall
In the Ch'in dynasty was when the emperor decided to build it
false
During the China dynasty, Chin had an army of slaves ,criminals, and farmers build the wall as a punishment.
4,500 miles
Qin Shi Huang the first emporer of China built the 'Wan Li Qang-Qeng' (10,000 li Long wall) or first great wall of China 2000 years ago. This was the Qin dynasty. Microblitz
who built a defensive wall was hadrian
Qin Shi Huand Di, the first emperor of China from the Qin Dynasty.
Qin Shi Huangdi. he was smart and build the great wall
pen15 :)