Question

if you had to name any one person who played most significant role in Italian unification who would it be and why​

Answer 1

Answer:

Italian Unification was a Political and Social movement, it began in 1815, and ended in 1871 when Rome became the capital of the Kingdom of Italy.

Explanation:

Instead of one I would mention two person who played most significant role in this unification: Mazzini who inspired the idea that unification of Italy is possible, the other name  is Cavour who executed it, and gave importance to will of people.

Answer 2

Answer:

This process occurred due to a series of events and the actions of various figures, but two men in particular made unification possible: Count Camillo di Cavour, the prime minister of the kingdom of Piedmont, and Giuseppe Garibaldi, a human symbol of Italian heroism.