Railroads not only led to an increase in the ability to transport raw materials, but they also led to an increase in the ability to transport people, meaning that cities around the US started to take shape and function.
D Is correct Guys Future Reference
-Dante
<span>They established the idea that leaders should have limits on their power.<span>
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<span>Assuming that this is referring to the same list of options that was posted before with this question, the best option is "public finance" since this is done at the federal level.</span>
