What was the outcome of watkins v united states?
a. congress did not have to respect witness’ rights.
b. the constitution gave witnesses minimal rights.
c. witnesses must testify but could not have a lawyer present.
d. congress must respect witness’ rights just as a court would.

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.