On a cross country roadtrip across the United States where we expect to drive for many hours per day, categorize each of the following as either 'necessary', 'somewhat necessary' or 'nice to have'. A bathroom break, a music playlist, snacks, a map.

On a cross country roadtrip across the United States a bathroom break is necessary.
On a cross country roadtrip across the United States a music playlist is nice to have.
On a cross country roadtrip across the United States snacks are nice to have.
On a cross country roadtrip across the United States a a map is somewhat necessary.