Gibbons v. Ogden · ¶29

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, passthrough the interior of almost eyery 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.,

U. S. Reports, bound volume
U. S. Reports, volume 22, at 1 (Library of Congress) · transcription: Caselaw Access Project
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