Which two functions are solely executed by the local government? A: regulation of trade and commerce

B: construction of roads and highways

C: creation of elementary and high schools

D: establishment of post offices

E: provision of police and fire departments

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.