How does the sidebar “The Fight Over Tobacco” support the article "The Vaping Crisis"?

The sidebar “The Fight Over Tobacco” supports the article by comparing the usage of tobacco to the usage of e-cigarettes. the side bar says that people used to smoke a lot more than they do now, but when studies came out lining it to serious illnesses like lung cancer "Suddenly, smoking was scary" that's ind of whats happening with vaping right now, studies are coming out saying that vaping can be much more dangerous than smoking and as the article says"Teens are increasingly aware of the dangers of vaping". next the sidebar says that the federal government started to put laws in place to prevent people from smoking, and that's what the federal government is doing now. today the rate of smoking has gone down significantly since the 1960s, and although the rate of vaping is still growing, this predicts that it will soon go way down.

the answer is slaves

douglas was a slave who turned into a statesman and he refused to celebrate the 4th of july until all slaves were emancipated or set free.

it is an infinitive phrase with a subject.