The state.

Though sumptuary laws are probably just in theory, they have been found impracticable in any other than infant states. Their principle, however, is certainly recognized in such countries as by statutory enactment discountenance gaming. Those who are opposed to such laws upon principle, would do well to look into Bernard Mandeville’s “Fable of the Bees,” or “Private Vices Public Benefits.” The Romans had numerous sumptuary laws, and in the Middle Ages there were many enactments in this country against excess of expenditure upon wearing apparel and the pleasures of the table.

He means that they do not add to the capital of the country.

At the expense of foreign countries.