What Constitutes Just War

The "Catechism of the Catholic Church" gives an authoritative statement by the Magisterium of the moral theology tradition on the doctrine of Just War. It provides the doctrinal principles, which Catholics must then diligently and faithfully apply to the particular cases.

Catechism of the Catholic Church

Other Magisterial Texts

This Summary of Just War Doctrine is summarized from an approved author of the Catholic moral theology tradition, Fr. Henry Davis, S.J.

Summary of Just War Doctrine 

Notes on: Approved Authors, and, Resolving Doubts of Conscience