OF THE CAUSES OF IMPROVEMENT IN THE PRODUCTIVE POWERS OF LABOUR, AND OF THE ORDER ACCORDING TO WHICH ITS PRODUCE IS NATURALLY DISTRIBUTED AMONG THE DIFFERENT RANKS OF THE PEOPLE. uB5hw6RrdGep64ww+Hnq99egvdxlqmv//HM5pRUyjJ35gR0eBXI/SN7CsTg0McSa