The national research act of 1974 established the national commission. identified the basic ethical principles of human subjects research. identified guidelines to ensure the ethical conduct of research. required that all federal agencies have the same regulations governing human subjects research.

the civil war was a fulfillment and completion of the constitution, not a revolution against it. changes in culture and society surely affected political life. lincoln hoped to bring the north and south together after the war by healing the nationand making people lose their resentment.

hope this you out just took thus test a min go and mad a 100

the answer is a) high entry costs