I think is D I'm not sure
Franco-German War, also called Franco-Prussian War, (July 19, 1870–May 10, 1871), war in which a coalition of German states led by Prussia defeated France. The war marked the end of French hegemony in continental Europe and resulted in the creation of a unified Germany.
Answer: you did not provide the text
Explanation:
One of the reasons was the blocked transportation routes, another was they were giving so many materials to the army to win they put aside their other business to focus on that
