Which statement about the sacco-vanzetti trial of 1921 is true?

a.
most americans were glad to see them deported to italy after their trial.

b.
they were acquitted by a jury but afterwards taken from the jail by an angry mob and lynched.

c.
the evidence clearly and unmistakably proved they were guilty of robbery and murder.

d.
many people believed they were convicted solely because they were anarchists.