History, 21.09.2020 14:01 29delphina
The railroad became successful because weak, iron rails were replaced with new, strong, steel rails. The steel allowed rail companies to lay more track that would last longer. Steel was available because of the Bessemer process. What is the Bessemer process? When was it invented? Look on the Internet or the library to find out.
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The railroad became successful because weak, iron rails were replaced with new, strong, steel rails....
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