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. 0mYz5PaD7WZhp9iWZyXH2IweyTBXhva1uDVVTY1x1zqYcJkez38v50X7bfTS61HM