The Wealth of Nations by Part 4 Chapter 5 Page 71

and this was the meaning of the many restraints which they imposed upon the trade of those whom they called kidders or carriers of corn, a trade which nobody was allowed to exercise without a licence ascertaining his qualifications as a man of probity and fair dealing.

The authority of three justices of the peace was, by the statute of Edward VI, necessary in order to grant this licence. But even this restraint was afterwards thought insufficient, and by a statute of Elizabeth the privilege of granting it was confined to the quarter-sessions.

The ancient policy of Europe endeavoured in this manner to regulate agriculture, the great trade of the country, by maxims quite different from those which it established with regard to manufactures, the great trade of the towns. By leaving the