the principal causes of the prosperity of Great Britain, every great country being necessarily the best and most extensive market for the greater part of the productions of its own industry. If the same freedom, in consequence of the same uniformity, could be extended to Ireland and the plantations, both the grandeur of the state and the prosperity of every part of the empire would probably be still greater than at present. In France, the different revenue laws which take place in the different provinces require a multitude of revenue officers to surround not only the frontiers of the kingdom, but those of almost each particular province, in order either to prevent the importation of certain goods, or to subject it to the payment of certain duties, to the no small interruption of the interior commerce of the country.