...These cases are taken as typical of many others. The principle back of them has been often stated. " As to those subjects which require a general system...uniformity of regulation the power of Congress is exclusive " (Minn. Rate Cases, supra, at p. 399). As to " other matters, admitting of diversity of treatment...

...immunity of interstate commercial intercourse from the direct control of the States with respect to those subjects embraced within the grant which are of such...require a general system or uniformity of regulation the f power of Congress is exclusive. In other matters, admitting of diversity of treatment according to...

...— regard must be had to the basic principle involved. That principle is, as repeatedly declared, that as to those subjects which require a general...of regulation the power of Congress is exclusive; that, in other matters, admitting of diversity of treatment according to the special requirements of...

...excludes the States from direct control of subjects embraced within the clause which are of such a nature that, if regulated at all, their regulation should be prescribed by a single authority. 'There is thus secured the essential immunity of interstate intercourse from the imposition by the...

...Commerce Clause. As repeatedly stated, it denies authority to the States in all cases where the subject is of such a nature as to demand that, if regulated at all, its regulation should be through a general or national system, and that it should be free from restraint...

...immunity of interstate commercial intercourse from the direct control of the states with respect to those subjects embraced within the grant which are of such...of regulation, the power of Congress is exclusive." Second. "In other matters, admitting of diversity of treatment according to the special requirements...

...US 317, 330 (1914), Mr. Justice Hughes said: "The basic principle * * * is, as repeatedly declared, that as to those subjects which require a general...of regulation the power of Congress is exclusive; that, in other matters, admitting of diversity of treatment according to the special requirements of...

...grant, which are of a nature as to demand, if regulated at all, their regulation should be prescribed by single authority. It has repeatedly been declared by this court that as to these subjects which require a general system of uniformity of regulation, the power of Congress is...

...immunity of interstate commercial intercourse from the direct control of the states with respect to those subjects embraced within the grant which are of such...It has repeatedly been declared by this court that ag to those subjects which require a general system or uniformity of regulation, the power of Congress...

.... . . interstate commercial intercourse from the direct control of the states with respect to those subjects embraced within the grant which are of such...regulation should be prescribed by a single authority. It lia.< repeatedly been declared by this court that as to those subjects which require a general system...