This region must find new ways to help business grow. After all, shoe manufacturing used to be a major local industry, but recently has experienced severe setbacks due to overseas competition, so there is a need for expansion into new manufacturing areas. Moreover, our outdated public policy generally inhibits business growth. Which one of the following most accurately expresses the main conclusion drawn in the argument? ['Outdated public policy inhibits business growth in the region.', 'The region needs to find new ways to enhance business growth.', 'Shoe manufacturing is no longer a major source of income in the region.', 'Business in the region must expand into new areas of manufacturing.']