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American Experience
Preliminary Worries with the Pennsylvania Railroad Tunnels
When the Pennsylvania Railroad announced they would be tunneling into Manhattan, rather than building a bridge, people were stunned. Tunneling underwater was known to be dangerous, and once they were built, the tunnels would need to withstand hundreds of trains traveling through them every day. With a typical Pennsylvania Railroad passenger train weighing 700 tons, this was no small challenge.
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The Eugenics Crusade tells the story of the campaign to breed a “better” American race,
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After attempting to commit the perfect crime, would two boys get the death penalty?
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In the 1950's a Polio outbreak swept the U.S., devastating communities nationwide.
