Illinois' granger laws were unconstitutional because they attempted to control interstate commerce, which had been deemed as a responsibility of the federal government.
Illinois Case (Wabash Case) involved a railroad company, Wabash, St. ... The U.S. Supreme Court ruled in 1886 that Illinois' granger laws were unconstitutional because they attempted to control interstate commerce, which had been deemed a responsibility of the federal government by Gibbons v.
