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Asked by jojo from USA | Jan. 17, 2014 07:51

About:How long is the Great Wall of China?

how long did the Great Wall take to build? and why did they build it?

because im doing a report on it and i need thi tpye of information.

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Answers (1)

Answered by Cathy from Australia | Jan. 20, 2014 19:39

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Its total construction duration shall be over 2,000 years.

They are all built to protect the people and territories south of the wall from a continued threat of invasion by the northern nomadic tribes.

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