Which of the following statements describes a difference between the political systems of australia and new zealand?

a.
australia is a constitutional monarchy; new zealand is a democracy.

b.
australia's entire territory is ruled directly by the central government; new zealand is divided into states.

c.
in australia, citizens are required by law to vote in elections; in new zealand, voting is not required.

d.
australia does not have a written constitution; new zealand has a written constitution.