Answer:
B: B: Bismarck was attempting to use alliances to prevent France from regaining power.
Step-by-step explanation:
Otto Eduard Leopold von Bismarck-Schönhausen, Prince of Bismarck and Duke of Lauenburg, better known as Otto von Bismarck was a German statesman and politician, the architect of German unification and one of the key figures in international relations during the second half of the century xix
During his last years of life he was nicknamed the "Iron Chancellor" for the determination with which he pursued his political objectives, primarily the creation and maintenance of a system of international alliances to ensure the supremacy and security of the German Empire.