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. tJF3h90pVw0Ko3gMIjEfZ1Da1d0rqaBbU2ewd+ubM1DoUi3jpMfb4153ZnavE2Jf