The sacco-vanzetti case: a. for italian-americans, symbolized the strength of nativist prejudices in america. b. revealed the power of the massachusetts governor to intervene in controversial criminal cases. c. played out in an atmosphere of fierce anti-radicalism in the united states.

Option a

Explanation:

In May 1920, two Italian migrants were blamed for partaking in theft at Massachusetts production line, little proof connected, however in against radical and hostile to foreigner enthusiasm made conviction certain.  Mass dissent in Europe against their looming execution took place on  August 23, 1927 which led to the demise of Sacco and Vanzetti electric seat.  To numerous local conceived Americans, men symbolized outsider risk to lifestyle. To Italian-Americans the result were the symbol of nativist biases and generalizations of  communities of the immigrants.