How peace and order are basis of rule of law?

According to ohrp, a problem is an “unanticipated problem” when it meets which of the following criteria: unexpected, related or possibly related to the research, suggests that the research does not put the subjects or others at greater riskunexpected, related or possible related to the research, suggests the research puts subjects or others at greater riskunexpected, unrelated to the research but still occurring with a subject, suggests the research puts others at greater riskexpected, related or possible related to the research, suggests the research puts others at greater risk

According to the aztec history, how did the aztecs know where to build their new city of tenochtitlan? why was this a good location?

What do you see as the most effective solutions for drug and alcohol abuse? sociology social problems course