Global silver trade from the 16th to 18th centuries 1500 to 1800, Mexico and Peru produced about 80% of the world's silver with 30% of it eventually ending up in China (largely because of British merchants who used it to purchase exotic Chinese commodities). In the late 16th and early 17th century, Japan was also exporting heavily into China and the foreign trade at large. As has been demonstrated, China dominated silver imports. The market value of silver in the Ming territory was double its value elsewhere, which provided great arbitrage profit for the Europeans and Japanese. The abundance of silver in China made it easy for the country
Aztec medicine Aztec medicine The Aztecs knew of and used an extensive inventory consisting of hundreds of different medicinal herbs and plants. A variety of indigenous Nahua and Novohispanic written works survive from the conquest and later colonial periods that describe aspects of the Aztec system and practice of medicine and its remedies, incantations, practical administration, and cultural underpinnings. Elements of traditional medicinal practices and beliefs are still found among modern-day Nahua communities, often intermixed with European or other later influences. As with many other Mesoamerican cultures, the Aztec system recognized three main causes of illness and injury; supernatural causes (eg; displeasure