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Answer:

The technological innovation that most contributed to the spread of railroads in Great Britain was the Bessemer process. The Bessemer process allowed the mass production of steel in England. English inventor Henry Bessemer patented the invention in 1856.

Explanation:

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Answer:

Explanation:

The technological innovation that most contributed to the spread of railroads in Great Britain was the Bessemer process. The Bessemer process allowed the mass production of steel in England. English inventor Henry Bessemer patented the invention in 1856.

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