Describe how railroads changed the economy of south carolina in the late 1800s?

The expansion of the railroads in the late 1800s was instrumental in helping the US economy boom. It did this in two ways. First, the railroads created a tremendous amount of demand for goods and labor on their own. As the railroads were being built, they needed huge numbers of people to build them. They also, of course

I’m not really sure idk