Answer:

poles

Answer	Crossword Clue
POLES	One's north and one's south
POLES	Ends of the earth
POLES	Propels a gondola

POLES	Opposite extremes
POLES	Dock supports
POLES	Flag holders
POLES	Foul line indicators
POLES	Ends of the earth?
POLES	They're a world apart
POLES	Planetary pair
POLES	Fish sticks?

POLES	Warsaw natives
POLES	Rods
POLES	Slalom markers
POLES	Frigid points
POLES	Tepee-building needs
POLES	Cold spots
POLES	They couldn't be further apart
POLES	Icy extremes

POLES	Planetary opposites
POLES	Gondola pushers
POLES	Wooden shafts
POLES	Flag bearers
POLES	Spherical extremities
POLES	Gondola propellers
POLES	Moves a raft
POLES	Gdansk natives

POLES	Maneuvers a gondola
POLES	Walesa's countrymen
POLES	Planetary extremes
POLES	Skier's supports
POLES	Fishing rods
POLES	Global extremes
POLES	Global opposites
POLES	.. apart (far from agreement)

POLES	Flag supports
POLES	Ends of a bar magnet
POLES	Very cold parts of the earth
POLES	Festivus props
POLES	Strip club fixtures