The pastoral chaos that has emerged at present has not, then, emerged suddenly and inexplicably from nowhere, it is the end result of the gradual breakdown of a whole system of thought. (faith.org.uk)
They recognised further that this theological crisis had been caused by the gradual breakdown of what is known as «the neo-scholastic synthesis» which until the middle part of this century had formed the intellectual basis of Catholic belief and of a unified Catholic view of reality. (faith.org.uk)
The changes in the liturgy are rooted in the theological stirrings after World War I: the gradual breakdown of neo-Scholastic metaphysics, the beginning of Catholic biblical scholarship, and a return to the study of the church fathers. (religion-online.org)