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We can assume that the Silk Route
1.
encouraged cultural exchange
2.
kept China isolated
3.
improved ship building techniques
4.
brought civil war

Respuesta :

lorna1717

Answer:

1

Explanation:

The rest are wrong b/c it helped expand China rather than isolate it, they didn't use ships on the Silk Road, and it brought better communications, etc. between countries.

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