Aztec writing Aztec writing Aztec or Nahuatl writing is pre-Columbian writing system that combines ideographic writing with Nahuatl specific phonetic logograms and syllabic signs which was used in central Mexico by the Nahua people. The majority of the Aztec codices were burned either by Aztec "tlatoani" (emperors) for ideological reasons, or by Spanish clergy following the conquest of Mesoamerica. Remaining Aztec codices such as Codex Mendoza, Codex Borbonicus, and Codex Osuna were written on deer hide and plant fiber. The Aztec writing system is adopted from writing systems used in Central Mexico, such as Zapotec writing. Mixtec writing is also thought to
Global silver trade from the 16th to 18th centuries An upright official, Commissioner Lin Zexu led the campaign against opium as a kind of "drug czar." The British, offended by the seizure of their property in opium, sent a large naval expedition to China to end the restrictive conditions under which they had long traded with that country. Thus began the first Opium War, in which Britain's industrialized military might was proven in China's rout. The Treaty of Nanking, which ended the war in 1842 largely on British terms, imposed numerous restrictions on Chinese sovereignty and opened five ports to European traders. Global silver trade from the 16th to