2- What problems did Upton Sinclair expose in the meat industry?

Explanation:

Upton Sinclair wrote The Jungle to expose the appalling working conditions in the meat-packing industry. His description of diseased, rotten, and contaminated meat shocked the public and led to new federal food safety laws. Before the turn of the 20th century, a major reform movement had emerged in the United States.

depends on the age of the teen, many believe by the age of 16 a person should know the strong difference between right and wrong along with the difference between risky and immediate death. swimming with sharks might be dangerous but swimming with sharks while bloody meat is attached to you is just insane. even more if you have no idea what you're doing. however, no matter the age, as long as the person is skilled enough and has the mental and physical capacity to control their actions doing whatever sport they put their mind to is all that matters.