Brainliest if it right

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.

Arecent challenge to the european union created by a member state is?

What statement shows that the agreement between the fictional nations of ziberia and deerkey is a free trade agreement?