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
Olmecs Olmec chronology came to a head at a 1942 Tuxtla Gutierrez conference, where Alfonso Caso declared that the Olmecs were the "mother culture" (""cultura madre"") of Mesoamerica. Shortly after the conference, radiocarbon dating proved the antiquity of the Olmec civilization, although the "mother culture" question generated considerable debate even 60 years later. The name "Olmec" means "rubber people" in Nahuatl, the language of the Aztec, and was the Aztec name for the people who lived in the Gulf Lowlands in the 15th and 16th centuries, some 2000 years after the Olmec culture died out. The term "rubber people" refers to