Federal regulations require that additional safeguards have been included in a study to protect the rights and welfare of these subjects: a. children, prisoners, women of child bearing potential, or cognitively impaired persons of any ageb. children, prisoners, individuals with impaired decision-making capacity, or economically or educationally disadvantaged personsc. children, prisoners, pregnant women, or older adultsd. children, prisoners, pregnant women, fetuses, embryos or senior citizens supported by social security benefits

Which of the following answers best describe why the fugitive slave act was so controversial? a fugitive slaves who were caught were to be sent back to africa, and southern states disagreed with this practice. b it required all runaway slaves to be sentenced to death, and most people were against this extreme form of punishment. c fugitive slaves were required to work twice as long before they could be freed, and northern states opposed this. d it required all americans to return runaway slaves to their owners, and abolitionists in free states opposed this law.