Us___8.1 : 3.6 people in the us use more than twice as many resources as in the us can provide china___3.6 :1 brazil___2.8 :8.7

What british document established the right of free speech that was reinforced by this excerpt

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

In 1866, a mob in which tennessee city attacked local african americans and burned down homes and schools?