Cavour was the Chief Minister of SardiniaPiedmont. His contribution to the unification of Italy was:
(i) He was a good administrator.
(ii) He worked for the unification of Italy. Through a tactful diplomatic alliance with France engineered by Cavour Sardinia-Piedmont.
(iii) He led the movement to unify the regions of Italy.
(iv) He was a tactful diplomat. He succeeded in defeating the Austrian forces in 1859.