Why is the Catholic church moving away from just war theory?

Sisters And Vatican II: A Generational Tug Of War : NPR

The Biggest Lies The Catholic Church Has Ever Told

PACEM IN TERRIS ANNIVERSARY: Pope Francis on Pacem in Terris – Pax Christi USA

What Happens When You Replace a Just War With a Just Peace

Opinion: The Church of England and Pope Francis softened on same

Explainer: How Cardinal Fernández is changing the Vatican doctrine

The Council of Elrond

The Reinvention of the Catholic Church - The Atlantic

The main differences between Catholics and Protestants – DW – 12