What are the aztecs and what did they do

The Aztecs were a Pre-Columbian Mesoamerican people of central Mexico in the 14th, 15th and 16th centuries. They called themselves Mexica (pronounced [meˈʃikaʔ]).

The capital of the Aztec empire was Tenochtitlan. During the empire, the city was built on a raised island in Lake Texcoco. Modern-day Mexico City was constructed on the ruins of Tenochtitlan. The Spanish colonisation of the Americas reached the mainland during the reign of Huey Tlatoani Moctezuma II (Montezuma II). In 1521, Hernán Cortés, along with an allied army of other Native Americans, conquered the Aztecs through germ warfare, siege warfare, psychological warfare, and from direct combat.

The Aztecs were a Mesoamerican culture that florished in central Mexico in the post classic period from 1300 to 1521.

They are known/famous for their agriculture, cultivating all land available, introducing irrigation, draining swamps, and creating artificial islands in the lake. They developed a form of hieroglyphic writing, a complex calender system, and built famous pyramids and temples