The answer is A. Completely agree
Answer:
the expansion of the railroads made the US International economy go boom so more money for the economy
Countries trade with each other when, on their own, they do not have the resources, or capacity to satisfy their own needs and wants. By developing and exploiting their domestic scarce resources, countries can produce a surplus, and trade this for the resources they need.
Answer:
what is this? brainly don't privide us link and can't be open give a photo of questions or type it
