Aztec Ruins National Monument Aztec Ruins National Monument The Aztec Ruins National Monument preserves Ancestral Puebloan structures in the northwestern part of the U.S. state of New Mexico. This national monument is close to both the town of Aztec and the Animas River, and it is about northeast of Farmington, New Mexico. The Salmon Ruins and Heritage Park, which also has Puebloan structures, is about south of the monument. The Aztec ruins date from the 11th to the 13th centuries. American settlers in the 19th century named them the "Aztec ruins" based on their erroneous belief that the Aztec civilization built them. The site
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