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. 4wNA3PlYZqBkJ2DETFbaefIhugTf9YLMbXcH8ZFZ16dlo8CdrwpFdW3KEIhhuWTO