Why Americans dress so casually

"Look around you, and you'll likely notice a sea of different outfits. You might see similar articles of clothing — even the same ones — worn by different people, but rarely do you find two pairings of tops, bottoms, shoes, and accessories that are exactly alike. That wasn't always the case, said Deirdre Clemente, a historian of 20th century American culture at the University of Nevada, Las Vegas, whose research focuses on fashion and clothing. Americans were far more formal, and formulaic dressers, not all that long ago. Men wore suits, almost without fail — not just to work, but also at school. And women, for the most part, wore long dresses."
Why Americans dress so casually
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