What is the paradox as related to slavery in the United States?

A: That slavery was still allowed in a free nation

B: That slavery was outlawed in only part of the United States

C: There was no slavery in the United States

D: Slaves predominantly returned to Africa

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.

The principle of checks and balances is based on the notion that

Does increased security engender feelings of increased safety or does it increase the fears that people have?