C. Bismarck used a series of wars and political incidents to raise nationalistic feelings and install political leaders he could manipulate
B) Federal Reserve Policy I think since he was dealing with inflation
The answer would be A
Hope this helps (:
True. They went so far as to overproduce thinking it would make more money, but they forgot the law of supply and demand, which states that if there is more of something, it will be considered less valuable and the price of said good will god own.
Hope that I helped!