a syllable. Their counting system was based on the number 20, in which one picture represented 20 items, another 20 x 20 ( = 400) items and so on. Archaelogists have learned to decode some of their writings, which talk about historical events and provide records of supplies and items for trade.The Aztecs produced a variety of goods, some for the ruler and his noblemen, and some that were sold in markets. Gold ornaments, brightly colored woven cloth and salt harvested from the lake bed were luxury items that were traded with distant peoples to the south. They were traded for other luxury items, such as tropical bird feathers and jaguar skins (used for ceremonial garments), cotton, rubber, and cacao beans (for making chocolate). Trading goods were carried by canoe and by long caravans of porters, since the Aztecs had no wheeled vehicles or pack animals. Aztec warriors traveled with the caravans and the merchants who led them to protect them in dangerous areas.Aztec culter had a very complex structure in which there were lower class, middle class and upper class peoples. They had a good system of transportation and irrigation through the use of canals. They had a strong warfare system, which was seen by their conquering of many lands. They also had their own language, and their own mathematical system. Their scholars were also very intelligent, they had developed their own system of time measurement and a calendar system that was very accurate....
