This document summarizes ethical principles and guidelines for research involving human subjects. Three core principles are identified: respect for persons, beneficence, and justice. Three primary areas of application are also stated. They are informed consent, assessment of risks and benefits, and selection of subjects. According to Vollmer and Howard, the Belmont Report allows for a positive solution, which at times may be difficult to find, to future subjects who are not capable to make independent decisions.
The correct answer for this question is "a. the aztecs spread diseases like smallpox to wipe out enemy populations." The statement that was not a significant factor in the aztecs' expansion of their empire is that the aztecs spread diseases like smallpox to wipe out <span>enemy populations.</span><span> </span>
