During the han dynasty a trade route was built to expand trade between china and the roman emprie

During the Han Dynasty,

was a major system of

that served as a set of unifying principles for society.

A trade route known as the

connected the Han Dynasty with the

.

The Hans were responsible for many

innovations, including sundials, water clocks, and the use of

.

Explanation:

answer; round wood logs, building materials like (plywood),also pulp and paper products;

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