Answer:
I think it’s b or c.
Explanation:
I mainly think it’s b. Not sure.
Steel was important to industrial growth after the civil war because it was used to make steel rails for railroads. <span>n the years between the </span>American Civil War<span> and the end of the nineteenth century the modern U.S. industrial economy developed on the backbone of a good transportation infrastructure mainly railroads that were developed from steel.</span><span>
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In the United States, a candidate for president must be an American citizen who was born in the United States. This has created problems for some candidates in the past.
