I think the correct answer from the choices listed above is the third option. The key belief or practice in the aztec religion would be noblemen sacrificed their first-born sons at the temple. Hope this answers the question. Have a nice day. Feel free to ask more questions.
The non-intervention rule is a principle of international law that restricts the ability of outside nations to interfere with the internal affairs of another nation. At its core, the principle is a corollary to the right of territorial sovereignty possessed by each nation.