What was the capital of the Aztec Empire?

The capital of the Aztec Empire was Tenochtitlan, which was established in the early 14th century on a small island in Lake Texcoco, in what is now Mexico City. This city was remarkable for its complex architecture, advanced agricultural practices, and as a hub of trade and commerce. It served as the political, religious, and cultural center of the Aztec civilization. The strategic location of Tenochtitlan, combined with its impressive canal system and floating gardens, allowed it to thrive and support a large population. This historical significance reflects the ingenuity and sophistication of the Aztec society, making Tenochtitlan a pivotal point in Mesoamerican history.

Understanding the other cities mentioned sheds light on their historical contexts: Cuzco was the capital of the Inca Empire, Cairo is the capital of Egypt with no direct connection to the Aztec Empire, and Teotihuacan was an earlier Mesoamerican city that was influential before the rise of the Aztecs but was not their capital. Thus, Tenochtitlan stands out as the correct answer due to its specific association with the Aztec Empire.