Why did simple governments emerge?

If both the president and the vice president can no longer serve, who will become the next head of state?

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

Can someone me answer all the questions?