noun, plural agencies. 1. an organization, company, or bureau that provides some service for another: a welfare agency. 2. a company having a franchise to represent another. 3. a governmental bureau, or an office that represents it.
Causeways and Canals. Early on in the history of the city the Aztecs built causeways and canals for transportation to and from the city. A causeway is a raised road that allowed the people to easily travel over the swampy and wet areas. There were three major causeways that led from the island city to the mainland.
Long before the Aztecs came to the Valley of Mexico the land had seen the rise and decline of a number of other tribal groups. One of these groups built the great city of Teotihuacan. TeotihuacÃ¡n From teotihuacan teotihuacÃ¡n its people built. an empire