A study of the Progressive Era Muckraking The exposing of corruption in the government or private business Chicago?s Union Stock Yards Chicago?s Union Stock Yards The Jungle The Jungle?s effect Government created sanitation laws and other restrictions for the meat companies This made food products safer Made Chicago?s industry the focus of America Cornelius Vanderbilt Robber Barons One of the American industrial or financial tycoons who became wealthy by unethical means, such as exploitation of labor Think monopoly guy Cornelius Vanderbilt (rail & shipping) was considered one Argued for ?laissez faire? What is laissez faire? John D. Rockefeller President of Standard Oil Company ExxonMobil, Chevron, Conoco, BP, Marathon