Step 1: Understanding German Unification
The unification of Germany occurred in 1871 and was a key event in European history. It was the process by which numerous independent German states were unified into the German Empire.
Step 2: Role of Otto Von Bismarck
- Otto Von Bismarck, the Prime Minister of Prussia, played a crucial role in the unification of Germany. Bismarck skillfully used diplomacy and strategic wars to bring together various German states.
- He orchestrated three key wars:
1. Danish War (1864)
2. Austro-Prussian War (1866)
3. Franco-Prussian War (1870-71)
- These wars allowed Prussia to gain control over German territories, which led to the formation of the German Empire in 1871.
Step 3: Other figures in German unification
- William I: The King of Prussia during unification, William I, was an important figure, but it was Bismarck who made the key decisions.
- Giuseppe Garibaldi and Cavour were prominent figures in the unification of Italy, not Germany.
Step 4: Conclusion
Thus, the person who played a major role in the unification of Germany was Otto Von Bismarck.
The correct answer is option (B).
The value of $\dfrac{1+\cot^2 \theta}{1+\tan^2 \theta}$ will be: