Bellum iustum in Latin stands for "just war", or, a war that is a "justification for going to war, gathered under the ius ad bellum, and including ideas of just cause, right authority, last resort, right intention and the superior and final goal of achieving peace, or the other main component of just war tradition, the ius in bello, or law of war, that has to do with the restraint or limiting of war once begun, strongly appearing in terms of discrimination and proportionality, i.e. of the extent of harm, if any, that might be done to noncombatants and of the weapons used in war." ^[1] Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ...

The concept was coined by Aurelius Augustinus who used Cicero's work as a source for inspiration. ^[2] The term was often used in the Christian era by the Pope when calling for crusades. Cicero at about age 60, from an ancient marble bust Marcus Tullius Cicero (IPA: ; Classical pronunciation:  ; January 3, 106 BC – December 7, 43 BC) was an orator, statesman, political theorist, lawyer and philosopher of Ancient Rome. ...

See also

• Jus ad bellum
• Casus belli
• Bellum sacrum

Jus ad bellum (Latin for Justice of War; see also Just War Theory) are a set of criteria that are consulted before engaging in war, in order to determine whether entering into war is justifiable. ... Casus belli is a modern Latin language expression meaning the justification for acts of war. ...

References

• Aurelius Augustinus and Bellum Iustum - Early Christian Pacifism and the Justification of Warfare

Footnotes