What does “passing” mean? When did this happen in our country? What happened to children & families when someone chose to “pass”?

Which would be the most credible source for researching the effects of smoking? letter from your grandfather web page about someone’s lung cancer report prepared by a tobacco company research article in a scientific journal

In hard times by charles dickens, the scene in which the characters discuss the depiction of horses on wallpaper and flowers on carpets is the author’s way of showing the absurdity of

How do sotomayor's descriptions of her family most likelyaffect readers?