Quadragesimo Anno §73

⁷³ Let, then, both workers and employers strive with united strength and counsel to overcome the difficulties and obstacles and let a wise provision on the part of public authority aid them in so salutary a work. If, however, matters come to an extreme crisis, it must be finally considered whether the business can continue or the workers are to be cared for in some other way. In such a situation, certainly most serious, a feeling of close relationship and a Christian concord of minds ought to prevail and function effectively among employers and workers.