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.
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It ensures that criminals will be strictly punished for violating the law.
As the nation approached its 3rd year of the bloody civil war. So most likely D
D. a foundation for self-government
