Based on a study of the trial of Sacco and Vanzetti (1920's) and the internment of Japanese Americans (1940's), which conclusion is most accurate?
1) The trial of Sacco and Vanzetti was a fair and just process.
2) The internment of Japanese Americans was necessary for national security.
3) Both the trial of Sacco and Vanzetti and the internment of Japanese Americans were unjust and violated civil rights.
4) The trial of Sacco and Vanzetti and the internment of Japanese Americans had no significant impact on American society.