Identify supporting details what details in this excerpt may have shocked readers of the time period? why do you think muckrakers sought to shock their audience?

Muckrakers like Isa Tarbell to Standard Oil, exposed the truth about how crooked the company owner could be. Muckrakers gathered evidence, personal stories, and things that the person says to contradict themselves and develops them in to a simple statement and tells the public to not support them because this is what they are doing/have done. Isa Tarbell release her book in 1904 about John D. Rockefeller. The book was named: "The History of Standard Oil" Which let out some dark secrets.