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.
Aztecs made geometrically accurate buildings of great mass and height. Maize, beans, squash, and turkey were important foods. Crops were grown on island gardens called chinampas. The chinampas were made of fertile soil scooped from the lake bottom.