The federal government is responsible for defense, The army, immigration, foreign Affairs, Trade, postal services and taxation. Australia derives from the Latin word Australis which means South. The Prime Minister is Scott Morrison as the Liberal party voted Malcolm Turnbull out and replaced him with ScoMo. The Citizens of Australia vote for a party (Liberal, Labor, greens) and each party has a representative that they will elect as Prime minister. each party gets a certain amount of seats in The Senate and House of Representatives