Of the Mutual Commerce Between Nations§ 21. General obligation of nations to carry on mutual commerce.§ 22. They should favor trade.§ 23. Freedom of trade.§ 24. Right of trading belonging to nations.§ 25. Each nation is sole judge of the propriety of commerce on her own part.§ 26. Necessity of commercial treaties.§ 27. General rule concerning those treaties.§ 28. Duty of nations in making those treaties.§ 29. Perpetual or temporary treaties, or treaties revocable at pleasure.§ 30. Nothing contrary to the tenor of a treaty can be granted to a third party.§ 31. How far lawful to give up by treaty the liberty of trading with other nations.§ 32. A nation may abridge its commerce in favor of another.§ 33. A nation may appropriate to herself a particular branch of trade.§ 34. Consuls.
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