Answer:
The publication of Upton Sinclair's <em>The Jungle</em> brought light on to the meat industry and the terrible conditions of the workers and the slaughter houses. The vivid descriptions of the slaughterhouses made the American public push for more regulation on where the food was being "prepared".
Explanation:
Federalism because Amendments are proposed at a federal level and is ratified at a state level. Why have only 27 Amendments been added to the Constitution? Because of Informal Amendments and how easy it is to informally amend it rather than formally.
