The correct answer to this open question is the following.
Although there are no options attached or further context and references, we can say the following.
The Aztecs have created one of the most sophisticated civilizations on the planet three and a half centuries before the United States.
The Aztecs were one of the most interesting and advanced civilizations in Mesoamerica.
They were known to be fierce warriors and that was true. But they also had elevated knowledge in mathematics, architecture, engineering, irrigation, and astronomy.
The Aztecs created one of the most sophisticated civilizations. They built their capital city over a lake. Yes, the Texcoco lake. There, they built the impressive and beautiful Tenochtitlan, the capital city of the empire. They built water canals for the transportation of people and goods. In these water canals, they built their chinampas, a portion of land where they lived and grew crops. Very impressive for its time to the degree that Spanish conquerors marveled when they arrive at Tenochtitlan for the first, time.
