garieMie4r6xun garieMie4r6xun

03-10-2016
History

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Discovered in the 800s, and originally for fireworks, what is one of the most important inventions of the tang and song dynasties

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rebeccajones33 rebeccajones33

03-10-2016

Discovered in the 800s, and originally for fireworks, what is one of the most important inventions of the tang and song dynasties

Magnetic compass ...

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laylaraine04 laylaraine04

05-10-2016

Gunpowder. Hope this helped :)

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