Final answer:
Nicola Sacco and Bartolomeo Vanzetti were Italian immigrants and anarchists who were unfairly convicted and sentenced to death, sparking criticism of government policies and the criminal justice system.
Step-by-step explanation:
Nicola Sacco and Bartolomeo Vanzetti were Italian immigrants and anarchists who were accused of robbery and murder in Massachusetts in 1920. Despite little evidence linking them to the crime, they were convicted and sentenced to death. The Sacco-Vanzetti trial sparked criticism of government policies and the criminal justice system, as it demonstrated the prejudice against immigrants and radicals at the time.