Which of these characteristics was NOT associated with the Aztecs?

The characteristic that was not associated with the Aztecs is the settling in the Andes Mountains. The Aztecs primarily inhabited the region that is now central Mexico, with their capital at Tenochtitlan, located on what is now Mexico City. They were known for their advanced civilization, which included significant achievements in architecture, agriculture, and governance.

In contrast, the Andes Mountains are located in South America and were primarily associated with the Inca civilization, who developed their society in that region. The Aztecs did not have a presence in the Andes, making this characteristic incorrect when attributed to them.

On the other hand, the Aztecs are well-known for their practices of human sacrifice, which were a part of their religious and cultural rituals. They also practiced polytheism, worshiping a variety of gods associated with different aspects of life and nature. Lastly, engagement in warfare was a significant aspect of Aztec society, as they sought to expand their territory and influence through military conquests.