Crusading justified violence through divine authority and faith as cause

Evidence

Here he preached the Crusade after the auspicious invocation of the Lord God of Hosts. … Also, there was sufficient cause, no mere injured pride, avarice or vainglory; the army of God fought for more even than material right: for the cause of faith. Finally, a war that was fought on inadequate authority was not just, but the Crusade was fought on divine authority. Thus it was the just war par excellence, bellum justissimum. — Norman Daniel, Islam and the West, 644

Categorization

• XREF: The threefold just-war legitimation (cause, authority, innocence of victims) anticipates modern just-war framings of Western military action against Muslim states. — connects to: Theocratic leaders justify state violence by analogy to corporal discipline of children — Katherine Stewart, The Power Worshippers: Inside the…, 168; Theological idolatry of power, fear, and violence motivated the January 6 rioters — Andrew L. Whitehead, American Idolatry, 218; Power-over-others Christianity repeatedly drives believers toward atrocities — Andrew L. Whitehead, American Idolatry, 65 (+1 more)