How did the Matteotti crisis help Mussolini establish a dictatorship?

The Matteotti crisis, triggered by the 1924 assassination of Socialist deputy Giacomo Matteotti by Fascist thugs, initially threatened Benito Mussolini’s regime as public support plummeted.12

Opposition deputies responded with the Aventine secession, withdrawing from the Chamber of Deputies to protest the violence and pressure the King to dismiss Mussolini. However, this parliamentary strategy proved ineffective; the opposition failed to maintain public momentum, and their absence from the Chamber actually made it easier for Mussolini to consolidate power.13

Recognizing the weakness of his critics, Mussolini seized the offensive. In a pivotal speech on January 3, 1925, he took full responsibility for the Fascist Party’s actions and dared his opponents to prosecute him—a challenge they were too weak to accept. This marked a definitive turning point: Mussolini abandoned parliamentary cooperation and moved to establish a totalitarian state. He proceeded to suppress the opposition press, remove non-Fascist ministers, and form a secret police, effectively cementing his role as Italy’s absolute dictator.12