The five things in detail that people (sellers) were doing that
Dr. Wiley stopped include:
Dr Harvey Washington Wiley was a Chemist and the first
commissioner of the United States Food and Drug
Administration.
He was an advocate for the need to regulate certain products
as a result of the risks of poisoning them with chemical
compounds such as additives, preservatives etc.
Read more about Dr.Wiley here https://brainly.com/question/14629258