Which part of the US government has the greatest authority in setting foreign policy?

When were criminals first used to create a system to catch other criminals

What can you conclude about the information given here ? a)juveniles must testify in court b)adults are held to a lower standard c)the state guarantees that juveniles have legal rights much like those of adults d) punishment for juveniles violators are much more strict than those for adults

An refers to a specific factor that has a range of possible values