What was the Roman School's "program" in the years 1918-1939? Dr. John Rao illustrates how much this was connected with, on the one hand, Pius XI's missionary concerns, and, on the other, his promotion of a Catholic Action which could fight ideology, nationalism, and all forms of secularization. Taken from: The Church of Eugenio Pacelli - 2000 VonHildebrand Institute