CCC 2421 The social doctrine of the Church developed in the nineteenth century when the Gospel encountered modern industrial society with its new structures for the production of consumer goods, its new concept of society, the state and authority, and its new forms of labor and ownership. The development of the doctrine of the Church on economic and social matters attests the permanent value of the Church’s teaching at the same time as it attests the true meaning of her Tradition, always living and active.¹

1 Cf. CA 3.