While it was a worldly force that may have found its way into the Church regardless, modernism, the mother of all heresies, a philosophy that eschews the supernatural aspects of the faith, began creeping into the Church early in the last century. That is, if not all the way back to the “Enlightenment.” Regardless, it was finally powerful enough to exert its influence in the 1960s, coinciding with the Second Vatican Council. As the world became post-Christian and less supernaturally aware in the decades following the counsel, this toxic worldview spread within the Church with less suspicion and increasing vigor.
The Traditian Order 