Three facts about agricultural adjustment act

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.

Which of the following items would serve as a primary source for a historian studiying the american civil war

What happens after a star goes supernova? just wondering! [tex]supernova [/tex] answer asap i really wanna know!