Were it possible, as perhaps it is not, to establish this intercourse universally, and all at once; were it possible to turn all at once the whole farming stock of the kingdom to its proper business, the cultivation of land, withdrawing it from every other employment into which any part of it may be at present diverted; and were it possible, in order to support and assist, upon occasion, the operations of this great stock, to provide all at once another stock almost equally great; it is not, perhaps, very easy to imagine how great, how extensive, and how sudden, would be the improvement which this change of circumstances would alone produce upon the whole face of the country.