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).
Find the unknown frequency if 24 is the median of the following frequency distribution:
\[\begin{array}{|c|c|c|c|c|c|} \hline \text{Class-interval} & 0-10 & 10-20 & 20-30 & 30-40 & 40-50 \\ \hline \text{Frequency} & 5 & 25 & 25 & \text{$p$} & 7 \\ \hline \end{array}\]
Two concentric circles are of radii $8\ \text{cm}$ and $5\ \text{cm}$. Find the length of the chord of the larger circle which touches (is tangent to) the smaller circle.