Question

What industry did Upton Sinclair’s book “The Jungle” open the public’s eyes to?

Answer 1

It helped the public see the flaws and what really goes on in the meat packing industry

Answer 2

His book exposed the appalling working conditions in the meat-packing industry. It opened the publics eyes to the diseased, rotten, and contaminated meat leaving the public shocked.

I hope I could help ;3