Benito Mussolini's main method to reduce unemployment in Italy was increasing military spending. He believed that a strong military would create jobs and boost the economy. He also introduced conscription for non-military work as well as military services.
Some of Mussolini's other economic policies included:
Establishing cartels for businesses, banks, labor unions, farmers, and professional people
Setting targets for industrial production
Introducing three battles: the Battle of Land, the Battle of Lira, and the Battle of Grain
Reducing the power of trade unions
Controlling the workers
It is important to note that Mussolini's economic policies were authoritarian and often led to exploitation and human rights abuses.
Answer: Increasing military spending