The Wealth of Nations by Part 1 Chapter 11 Page 56

blankets, fire-arms, and brandy, which gives it some value.

In the present commercial state of the known world, the most barbarous nations, I believe, among whom land property is established, have some foreign commerce of this kind, and find among their wealthier neighbours such a demand for all the materials of clothing which their land produces, and which can neither be wrought up nor consumed at home, as raises their price above what it costs to send them to those wealthier neighbours. It affords, therefore, some rent to the landlord. When the greater part of the highland cattle were consumed on their own hills, the exportation of their hides made the most considerable article of the commerce of that country, and what they were exchanged for afforded some addition to the rent of the highland estates.