If a state is outside the contiguous united states what does this mean

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

This is a crossword assignment for psychology 8 letter word a benefit of observational research is that it often generates

The persian wars started when emperor darius i began an invasion of greece. what caused darius to decide to attack greece? a. greek pirates had raided persia's merchant ships and coastal towns. b. greek armies had attacked and taken over land that belonged to persia. c. greek city-states had supported rebellions in the persian empire. d. greek leaders had declared independence from the persian empire.