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 Global silver trade from the 16th to 18th centuries The global silver trade between the Americas and Europe from the sixteenth to nineteenth centuries was a spillover of the Columbian Exchange which had a profound effect on the world economy. In fact, many scholars consider the silver trade to mark the beginning of a genuinely global economy, with one historian noting that silver "went round the world and made the world go round." Although global, much of that silver ended up in the hands of the Chinese, as they accepted it as a form of currency. In addition to the