Respuesta :

The country-wide spread of a postal system and paper currency important to china in order to unite the Chinese people.

Chinese business was done through a barter system prior to the invention of paper currency. A person must trade with another good that he owns in order to receive a certain good from another person.

This approach is extremely problematic because various Chinese regions employed various techniques to value various products.

The invention of paper currency led to the valuation of a thing becoming widely recognized throughout the world.

Due to increased social interaction between people from various places, this helped to progressively bring the Chinese people together.

To know more about paper currency refer:

https://brainly.com/question/12127037

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