ANSWER:
In ancient China, coins were used as currency instead of paper money. Ancient coins were mainly made of copper, iron, gold and silver with different shapes, weight and marks. Ancient coins played an important role in archaeology, as well as exploring the history of commercial and economy in ancient China.
Laws were made to make merchants wear white clothes and pay high taxes. The biggest products in the Han economy were iron, salt, copper work, and silk. The Silk Road was established during the Han Dynasty. This trade route from China to Europe was a great source of wealth and luxury items.
hope it help if not sorry
