Question

giuseppe garibaldi helped the nationalist cause by
capturing most of southern italy for the king of sardinia.
leading italy into a war with austria to free lombardy.
reducing the role of the church in italian government.
staging multiple rebellions to fight for democratic rule.

Explanation:

Giuseppe Garibaldi was a key figure in Italian unification. His expedition with the Red Shirts conquered Sicily and southern Italy, which he then ceded to Victor Emmanuel II of Sardinia, advancing the nationalist goal of a unified Italy. The other options are incorrect: Cavour led the war with Austria, church influence reduction was not his main role, and his focus was unification rather than democratic rule rebellions.

Answer:

A. capturing most of southern Italy for the king of Sardinia.