by Joseph Fahey Pax Christi USA Ambassador of Peace Although Blessed Pope John XXIII wrote Pacem in Terris as an urgent response to the Cuban Missile Crisis of 1962, in fact his vision for peace began when he served in the Italian Army in WWI. WWII also had a great impact on Pope John and … Continue reading PACEM IN TERRIS: Peace in “Pacem in Terris” and Vatican II