How did writing help unite China?

Qin unified the writing system throughput its empire, so that people speaking different dialects of Chinese (there are many, and not understandable to someone else speaking another dialect) can still communicate by reading and writing; that is, the literary class is united by the bond of a common script.

Explanation:

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he is known for discovering   the fossil of a female hominin australopithecine   known as "lucy" in the afar triangle region of hadar, ethiopia.

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since our new president elect donald trump is about to come into office, and since he is stating diferent signs about enforcing immigration laws, he has persuaded people into beliving that immigrants are the reason for crime & terrorism (of course thats only an example, there are many more reasons why but you probably get my idea).

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