What is it called when two sides give up something to get to an agreement?

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.

Brainliest to who answers! what is the function of a purchasing cooperative, or co-op?

Why did separate government develop in ancient greece?