Government inputs, especially the 1825 Erie Canal and subsequent projects like the Chesapeake and Ohio Canal, created an economic advantage for the Northern states because the expense and time of moving freight dropped radically. a False, because any taxation whatsoever destroys economic growth. b False, because the South would never have raised the revenue for any taxpayer-funded improvements, so it's a false comparison. c True, but irrelevant, as agricultural commodities mainly rotted in the field until refrigeration was invented in the 1890s. d True.