Usa "clausum" in una frase

1. Vincent; and stating that, when he had supposed the terms of a convention were agreed upon, a new pretension was set up (the mare clausum,) he concludes: "I regret not to have been able to put this business on a satisfactory footing, knowing as I do its very great importance to both parties; but I flatter myself that I have not misjudged the interests of our own country, in refusing to sanction a principle that might be productive of more extensive evils than those it was our aim to prevent