Which answer matches this clue: the 1924 kidnapping and murder of a socialist deputy who denounced electoral violence?

• A Matteotti crime ✓
• B Borsellino bombing
• C D'Antona murder
• D Togliatti shooting

Giacomo Matteotti's murder by fascist thugs provoked a political crisis that Mussolini resolved by claiming responsibility and imposing dictatorship.