Cavour was the Chief Minister of Sardinia-Piedmont.
His contributions to the unification of Italy were :
(i) He was a good administrator. He led the movement to unify the regions of Italy.
(ii) He was a tactful diplomat, he spoke French much better than he did Italian.
(iii) Through a tactful diplomatic alliance with France engineered by Cavour, Sardinia-Piedmont succeeded in defeating the Austrian forces in 1859.