John Wallis was an English clergyman and mathematician who is given partial credit for the development of infinitesimal calculus. Between 1643 and 1689 he served as chief cryptographer for Parliament and, later, the royal court. He is credited with introducing the symbol ∞ to represent the concept of infinity.
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The answer is D, love! Enjoy <33
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Hope it helps, had this same question T^T
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I think (a netting house) is correct answer
This book was called How the Other Half Lives by Jacob Riis in 1890. This book documented the lives of poor immigrants living in cramped tenements in dirty slums in New York.
