Originally Posted by Hands of Truth
Thank you. What is your justification for claiming it is "required" by Catholics to believe it? Is there an infallible statement or document?
Non-infallible teachings require religious assent. Infallible teachings require theological assent (the full assent of faith). The teachings on just war and self-defense are at least non-infallible, and may possibly be infallible under the ordinary and universal Magisterium.