By setting up a new system of how the banks worked.
ANSWER:
The war resulted in an increased demand for iron and steel for things such as railroads, cannons, and ammunition, which led to the increase in mines opening up around the United States, especially in Michigan's Upper Peninsula. Hence, mining became a profitable industry after Civil War.
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It proved a strong fighting spirit can make a difference
Hitler violated the Treaty of Versailles by moving military forces into Rhineland (D).
