The correct option is B.
What was Andrew Carnegie known for?
One of the captains of the industry of 19th century America, Andrew Carnegie helped build the formidable American steel industry, a process that turned a poor young man into the richest man in the world. Carnegie was born in Dunfermline, Scotland, in 1835.
How did Carnegie get rich?
While working for the railroad, he invested in various ventures, including iron and oil companies, and made his first fortune by the time he was in his early 30s. In the early 1870s, he entered the steel business, and over the next two decades became a dominant force in the industry.
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