These documents set out sections 91, 92, 92A, and 121 of the Canadian Constitution. Sections 91 and 92 set out the division of powers between the federal and provincial governments. Section 121 provides for free inter-provincial trade.
In this case, the Supreme Court of Canada was asked to assess the constitutional validity of a federal government statute that prohibited the import, manufacture, and sale of margarine in Canada. The Supreme Court of Canada held that while the…
