Answer:
The key belief or practice in the Aztec religion was that noblemen sacrificed their first-born sons at the temple.
Explanation:
The Aztecs had many gods just like other Mesoamerican societies. However, they worshipped Huitzilopochtli. For the Aztec people, each god represented different important parts of the world.
The key belief or practice in the Aztec religion was that noblemen sacrificed their first-born sons at the temple.
