Did it cause a major change for people? If so, how?

Which of the following studies is linked most directly to the establishment of the national research act in 1974 and ultimately to the belmont report and federal regulations for human subject protection? a. the public health service tuskegee study of untreated syphilis in the negro male.b. stanford prison experiment (zimbardo).c. tearoom trade study (humphreys).d. the harvard t3 study.

Many of these mythological stories were filled with violence. why do you think this is?

What aspect of the roaring twenties do you think changed society