Details the army of Mexico from the collapse of the Classic centres in around 850AD until the arrival of the Spanish armies around 1520, including the Aztecs, Toltecs and their enemies. Between 1000BC and 900AD the peoples of Mexico and Central America developed and shared cultural traits which made them outstanding among the civilizations of the New World from the rise of the Maya cities in the lowland jungles to the highland Mexican capitals of Teotihuacan, Cholula and Monte Alban. This book details the emergence of the new Mexican nation called the Aztec Empire of the Triple Alliance in 1450AD. It examines the people and enemies of this nation which made themselves the most powerful and feared civilization in the Americas.