To keep out the enemies of China (Barbarians from along the border, some Mongol)
Shi Huangdi
Shi Huangdi
Qis Shi Huangdi
Qin Shi Huangdi the first emperor of china
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Emperor Qin (chin) Shi Huangdi first started the Great Wall of China 2,000 years ago.
Qin Shi Huangdi started to build the Great Wall of China in about 210 BC.
He built the Great Wall of China to protect China form battles.
The great wall of china
Shi Huangdi built the great wall of china for protection against fierce warriors.
Shi Huangdi ordered the peasents from all over the country to build the wall.
I guess his biggest achievement was that he built the Great Wall Of China.