German unification in the nineteenth century is especially associated with which leader?

Correct answer: Otto von Bismarck

The direct answer is C, Otto von Bismarck. In the nineteenth century, Germany was divided into many states. Bismarck, the Prime Minister of Prussia, used diplomacy, alliances, and wars against Denmark, Austria, and France to bring the German states together under Prussian leadership. The German Empire was proclaimed in 1871, so German unification is especially associated with him. Option A, Napoleon, influenced Europe and briefly controlled German areas, but he did not complete German unification. Option B, Winston Churchill, was a twentieth-century British leader, not the architect of nineteenth-century German unity. Option C is correct; Bismarck is often called the Iron Chancellor. Option D, Fidel Castro, was a twentieth-century Cuban leader. Memory cue: Bismarck, Prussia, 1871, and Iron Chancellor belong together.