How did the Aztec civilization and the European explorers meet?

Which of the following statements most accurately describes the requirement for the documentation of minors’ assent to participate in research? parents must approve written documentation.documentation is required unless waived by an irb.to protect minors documentation is always required.federal regulations do not require the documentation of minors’ assent.

Me fast do you think the outcome of this case would have been the same if president nixon hadclaimed national security needs rather than executive privilege? why or why not?

What is douglass's purpose in the speech "the hypocrisy of american slavery, july 4, 1852" ? how does douglass reveal his purpose to the reader?