Which term BEST describes Australia's form of government?

Acurb of this color means you may not stop a) yellow b)green c) red d) blue

Congress is controlled by the democrats. president yaeger, a republican, takes several actions that are opposed by the democrats in congress. first, the president introduces a new budget that cuts most of the government's social programs and gives tax breaks to the wealthy. next, president yaeger negotiates a trade treaty with a nation accused of human rights abuses. then, the president gives pardons to three republican senators who have been convicted of crimes.

Which phrase in the preamble of the constitution means the government should provide peace and order in society.