When the Union Arcade opened in 1917, it was the largest shopping mall in the world. (An arcade is an old word for shopping mall.) There were 240 shops and 700 offices.
Who paid for the Union Arcade to be designed and built?

Peter Union, a banker

Henry Clay Frick, who was Andrew Carnegie’s business partner

The Women’s Club of Pittsburgh, because there were not enough stores in the city
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Historic image of the Union Arcade
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