What does Stevens warn might happen if the situation of formerly enslaved African Americans does not improve

What is a common factor all nonprofit businesses share? they pay no income tax. they have no capital. they are national in scope. they perform charitable acts.

Awaiver of the requirement for documentation of informed consent may be granted when: the investigator has no convenient place to store signed consent forms separate from the research datathe only record linking the subject and the research is the consent document and the principal risk is a breach of confidentiality. potential subjects might find some of the research questions embarrassing, personal, or intrusivethe subjects are literate in their own language; however, they do not read, write, or speak english

With regard to personality, it appears that: a) there is little consistency of behavior from one situation to the next and little consistency of traits over the life span. b) there is little consistency of behavior from one situation to the next but significant consistency of traits over the life span. c) there is significant consistency of behavior from one situation to the next but little consistency of traits over the life span. d) there is significant consistency of behavior from one situation to the next and significant consistency of traits over the life span.