I need help with this question, thank youಥ‿ಥ​

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.

Where did the constitutional convention take place

Which regulatory agency attempts to prevent unfair business practices and consumer fraud?