Aztec Empire to retain and freely continue their own religious traditions, so long as they added the imperial god to their local pantheons. The word "Aztec" in modern usage would not have been used by the people themselves. It has variously been used to refer to the Triple Alliance empire, the Nahuatl-speaking people of central Mexico prior to the Spanish conquest, or specifically the Mexica ethnicity of the Nahuatl-speaking peoples. The name comes from a Nahuatl word meaning "people from Aztlan," reflecting the mythical place of origin for Nahua peoples. For the purpose of this article, "Aztec" refers only to those cities
Global silver trade from the 16th to 18th centuries the rest of the world, before experiencing another population boom. The new population boom was a product of the introduction of New World crops into China, mainly sweet potatoes, which could be more easily grown. By this time, the silver mines in Japan were largely depleted and the New World became China's primary source for silver. Initially, Japan served as China's primary source for silver in the 16th Century. In exchange for silver, China would provide Japan with silk and gold. Japan and China did not directly trade with each other, due to political tensions. This meant that European entities