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Andrew Carnegie did which of the following, A. made his fortune by producing steel more efficiently. B was one of the innovators responsible for making the u.s a world economic power. C. established a network of radio companies. D. set up telegraph offices in the united states and Europe

1 Answer

6 votes

Answer:

I think its A

Step-by-step explanation:

he was the first to make steel efficiently which is what lead to this great fortune

User Jayant Arora
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