What is the difference between expressed powers ad implied powers

Ineed ideas for how to have fun with my friends i feel like they dont like me

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

How has our understanding of the first sentence of the declaration of independence changed over time?