Page:Joseph Story, Commentaries on the Constitution of the United States (1st ed, 1833, vol II).djvu/540

 532 coasting trade, or fisheries. It is as certain, as any thing human can be, that the sole object of congress, in securing the vast privileges to American built ships, by such preferences, and privileges, and tonnage duties, was, to encourage the domestic manufacture of ships, and all the dependent branches of business. It speaks out in the language of all their laws, and has been as constantly avowed, and acted on, as any single legislative policy ever has been. No one ever dreamed, that revenue constituted the slightest ingredient in these laws. They were purely for the encouragement of home manufactures, and home artisans, and home pursuits. Upon what grounds can congress constitutionally apply the power to regulate commerce to one great class of domestic manufactures, which does not involve the right to encourage all? If it be said, that navigation is a part of commerce, that is true. But a power to regulate navigation no more includes a power to encourage the manufacture of ships by tonnage duties, than any other manufacture. Why not extend it to the encouragement of the growth and manufacture of cotton and hemp for sails and rigging; of timber, boards, and masts; of tar, pitch, and turpentine; of iron and wool; of sheetings and shirtings; of artisans and mechanics, however remotely connected with it? There are many products of agriculture and manufactures, which are connected with the prosperity of commerce as intimately, as domestic ship building. If the one may be encouraged, as a primary motive in regulations of commerce, why may not the others? The truth is, that the encouragement of domestic ship building is within