https://en.wikisource.org/wiki/A_Summary_View_of_the_Rights_of_British_Ameri... "By an act (3) passed in the 5th Year of the reign of his late majesty king George the second, an American subject is forbidden to make a hat for himself of the fur which he has taken perhaps on his own soil; an instance of despotism to which no parallel can be produced in the most arbitrary ages of British history." https://en.wikipedia.org/wiki/Wickard_v._Filburn The Court decided that Filburn's wheat-growing activities reduced the amount of wheat he would buy for animal feed on the open market, which is traded nationally, is thus interstate, and is therefore within the scope of the Commerce Clause. Oddly US history textbooks emphasize taxation without representation.