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.
Aztec houses were made with adobe bricks or of a wattle-and-daub construction with wooden braces. Some homes had flat-pole roofs, while others were constructed with peaked roofs. Others were built on the ground and some were built on a platform.