Gravi de pugna

Forged letter by Augustine of Hippo about just war

Gravi de pugna is a forged letter written in the name of Augustine of Hippo which asserts that the morally superior side is always superior in battle and therefore that wars are proven to be just wars by their military success. The letter was widely accepted as authentic, and reassured soldiers that God was on their side.

This keyword could refer to multiple things. Here are some suggestions: