Dice: explica porque los europeos lograron conquistar america

What is the term used for the belief that the white race is superior to all other races

Gettysburg address question. what is the purpose of this address?

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