Upton Sinclair, he wrote a book called "The Jungle". The book was about the meat packing industry's in Chicago. What would the city of Chicago's meat industry be like without Upton Sinclair? The book described what the meat industry's were putting in the meat that the people of Chicago ate back in the early 1900's. Upton Sinclair was a muckraker in the 1900's, this period of time (the 1900's). Upton Sinclair and The Jungle made …showed first 75 words of 567 total…

…showed last 75 words of 567 total…ve better. Upton Sinclair wrote a book "The Jungle". This book made people of business change their ways, for the better of the people. His book also made the people of Chicago live differently. People of the 90's go by the grading system for the meat they buy to eat, back then they did not have this system, until Sinclair came around and changed it with this book. This book is a very powerful book.