Gibbons v. Ogden

Chief Justice Marshall, in Gibbons v. Ogden, 22 U.S. 1 (1824,) clarifies the meaning of this clause and its application to navigation:

"The subject to be regulated is commerce...Commerce, undoubtedly, is traffic [buying, selling or the interchange of commodities,] but it is something more: it is intercourse. It describes the commercial intercourse between nations, and parts of nations, in all its branches, and is regulated by prescribing rules for carrying on that intercourse. The mind can scarcely conceive a system for regulating commerce between nations, which shall exclude all laws concerning navigation, which shall be silent on the admission of the vessels of the one nation into the ports of the other, and be confined to prescribing rules for the conduct of individuals, in the actual employment of buying and selling, or of barter.

"If commerce does not include navigation, the government of the Union has no direct power over that subject, and can make no law prescribing what shall constitute American vessels, or requiring that they shall be navigated by American seamen. Yet this power has been exercised from the commencement of the government, has been exercised with the consent of all, and has been understood by all to be a commercial regulation. All America understands, and has uniformly understood, the word 'commerce,' to comprehend navigation. It was so understood, and must have been so understood, when the constitution was framed. The power over commerce, including navigation, was one of the primary objects for which the people of America adopted their government, and must have been contemplated in forming it. The convention must have used the word in that sense, because all have understood it in that sense; and the attempt to restrict it comes too late.

..."The word used in the constitution, then, comprehends, and has been always understood to comprehend, navigation within its meaning; and a power to regulate navigation, is as expressly granted, as if that term had been added to the word 'commerce.'

"To what commerce does this power extend? The constitution informs us, to commerce 'with foreign nations, and among the several States, and with the Indian tribes.'

"It has, we believe, been universally admitted, that these words comprehend every species of commercial intercourse between the United States and foreign nations. No sort of trade can be between this country and any other, to which this power does not extend. It has been truly said, that commerce, as the word is used in the constitution, is a unit, every part of which is indicated by the term.

"If this be the admitted meaning of the word, in its application to foreign nations, it must carry the same meaning throughout the sentence, and remain a unit, unless there be some plain intelligible cause which alters it.

"The subject to which the power is next applied, is to commerce 'among the several States.' The word 'among' means intermingled with. A thing which is among others, is intermingled with them. Commerce among the States, cannot stop at the external boundary line of each State, but may be introduced into the interior.

"It is not intended to say that these words comprehend that commerce, which is completely internal, which is carried on between man and man in a State, or between different parts of the same State, and which does not extend to or affect other States. Such a power would be inconvenient, and is certainly unnecessary.

"Comprehensive as the word 'among' is, it may very properly be restricted to that commerce which concerns more States than one. The phrase is not one which would probably have been selected to indicate the completely interior traffic of a State, because it is not an apt phrase for that purpose; and the enumeration of the particular classes of commerce, to which the power was to be extended, would not have been made, had the intention been to extend the power to every description. The enumeration presupposes something not enumerated; and that something, if we regard the language or the subject of the sentence, must be the exclusively internal commerce of a State. The genius and character of the whole government seem to be, that its action is to be applied to all the external concerns of the nation, and to those internal concerns which affect the States generally; but not to those which are completely within a particular State, which do not affect other States, and with which it is not necessary to interfere, for the purpose of executing some of the general powers of the government. The completely internal commerce of a State, then, may be considered as reserved for the State itself.

"But, in regulating commerce with foreign nations, the power of Congress does not stop at the jurisdictional lines of the several States. It would be a very useless power, if it could not pass those lines. The commerce of the United States with foreign nations, is that of the whole United States. Every district has a right to participate in it. The deep streams which penetrate our country in every direction, pass through the interior of almost every State in the Union, and furnish the means of exercising this right. If Congress has the power to regulate it, that power must be exercised whenever the subject exists. If it exists within the States, if a foreign voyage may commence or terminate at a port within a State, then the power of Congress may be exercised within a State.

"This principle is, if possible, still more clear, when applied to commerce 'among the several States.' They either join each other, in which case they are separated by a mathematical line, or they are remote from each other, in which case other States lie between them. What is commerce 'among' them; and how is it to be conducted? Can a trading expedition between two adjoining States, commence and terminate outside of each? And if the trading intercourse be between two States remote from each other, must it not commence in one, terminate in the other, and probably pass through a third? Commerce among the States must, of necessity, be commerce with the States. In the regulation of trade with the Indian tribes, the action of the law, especially when the constitution was made, was chiefly within a State. The power of Congress, then, whatever it may be, must be exercised within the territorial jurisdiction of the several States. The sense of the nation on this subject, is unequivocally manifested by the provisions made in the laws for transporting goods, by land, between Baltimore and Providence, between New- York and Philadelphia, and between Philadelphia and Baltimore.

"We are now arrived at the inquiry-What is this power?

"It is the power to regulate; that is, to prescribe the rule by which commerce is to be governed. This power, like all others vested in Congress, is complete in itself, may be exercised to its utmost extent, and acknowledges no limitations, other than are prescribed in the constitution....

"The power of Congress, then, comprehends navigation, within the limits of every State in the Union; so far as that navigation may be, in any manner, connected with 'commerce with foreign nations, or among the several States, or with the Indian tribes.' It may, of consequence, pass the jurisdictional line of New-York, and act upon the very waters to which the prohibition now under consideration applies."