The constructed one of the most beautiful cities in the world. This city, , was known for its chinampas, or .

The answer is "Aztec, Tenochtitlan and Floating gardens "

Explanation:

The Aztecs are expert builders and built multiple kinds, like pyramids, ball courts, squares, cathedrals & houses. But for the Aztecs, the Measuring energy believed their design to be a major influence.

Tenochtitlan was indeed the town of great wealth, which arrived from conquered lands with riches of tribute.

The floating garden had been an Artificial island, created by interweaving rods with pegs underneath the surface of the lake, creating underneath closed areas.

b: to eliminate competition from other farmers

i think it is the first one hope this