Answer:
Sumerians because they invented the wheel that let them travel better and they also invented cuneiform scripts that helped write several languages
In turn, the railroads had a great impact on the steel industry. ... The rapid rise of the steel and railroad industries between the end of the Civil War and the early 1900s spurred the growth of other big businesses, especially in the oil, financial, and manufacturing sectors of the economy.
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Not doing tgat for 5 points