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.
The Aztec civilization was started by making Tenochtitlan (today's Mexico City) in about 1330. 1519 - Battle of Otumba. Many Aztecan cities united under one banner and attacked the Aztecan people. The Spanish however, had help from a nearby tribe called Tlaxcaltec because they wanted freedom from their Aztecan overlords.