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. kd2Jdk8X+m4GZADFJ5abFfSNGnYI/UBfOXd1Lvj4zdy4XqaP0IOwU2IL7wBoRq5L