...Justice Waite says : " The powers thus granted are not defined to the instrumentalities of commerce * * * known or in use when the Constitution was adopted,...extend from the horse with its rider to the stage coach, from the sailing vessel to the steamboat, and from the coach and the steamboat to the railroad,...

...establish postoffices and post roads, are not confined to the instrumentalities of commerce, or of the postal service known or in use when the constitution was adopted, but keep pace with the progress of the country, and were intended for the government of the business to...

...established to facilitate the transmission of intelligence," the Court wrote. The powers thus granted are not confined to the instrumentalities of commerce,...the progress of the country, and adapt themselves to new developments of time and circumstances. They extend from the horse with its rider to the stage-coach,...

...established to facilitate the transmission of intelligence," the Court wrote. The powers thus granted are not confined to the instrumentalities of commerce,...was adopted, but they keep pace with the progress of me country, and adapt themselves to new developments of time and circumstances. They extend from the...

...world,"60 and a half-century later the Court announced that congressional powers were sufficient to "keep pace with the progress of the country, and adapt themselves to the new developments of time and circumstances."61 Such a statement, then-professor Felix Frankfurter declared in 1936, demonstrated...