Developer's DescriptionBy Youcat Foundation gGmbHDOCAT is a popular adaptation of the social doctrine of the Catholic Church, as it has been developed in important documents since Pope Leo XIII.DOCAT is a popular adaptation of the social doctrine of the Catholic Church, as it has been developed in important documents since Pope Leo XIII. Young people especially ought to take an interest in reading the major documents of the Church in the original text and in guiding their actions by the maxims of truth, justice, and charity that are contained in them. Again and again Pope Francis challenges Christians to become actively involved in working for greater justice in the world: A Christian who in these times is not a revolutionary is not a Christian.