Which was an important event in Italy's path to unification?

A.
Count di Cavour made a secret treaty with Otto von Bismarck to obtain weapons.

B.
Lord Byron led a successful revolt that drove Austrian forces out of northern Italy.

C.
Napoleon and his army established a revolutionary government in Rome.

D.
King Victor Emmanuel appointed Count di Cavour prime minister of the Kingdom of Sardinia.

Question

Which was an important event in Italy's path to unification?	
 
 A.
Count di Cavour made a secret treaty with Otto von Bismarck to obtain weapons.
 
 B.
Lord Byron led a successful revolt that drove Austrian forces out of northern Italy.
 
 C.
Napoleon and his army established a revolutionary government in Rome.
 
 D.
King Victor Emmanuel appointed Count di Cavour prime minister of the Kingdom of Sardinia.

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