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How does Australia's Westminster system differ from a non-Westminster system such as the United States?

Compare the distribution and exercise of political and legal power in Australia with one non-Westminster system

A direct answer to the WACE Politics and Law dot point requiring comparison with a non-Westminster system. Compares Australia's fused responsible government with the United States presidential system, covering the executive, separation of powers and rights protection.

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What this dot point is asking

The WACE syllabus requires a comparison between Australia's system and one non-Westminster system. The United States is the standard choice because its presidential model contrasts cleanly with the Westminster model on every key feature. SCSA wants genuine comparison (similarities and differences with reasons), not two separate descriptions placed side by side.

Origin and structure of the executive

In Australia the executive is fused with the legislature. The Prime Minister and Cabinet are members of Parliament who hold office only while they command the confidence of the House of Representatives. The head of state is the monarch, represented by the Governor-General, who acts on ministerial advice and holds reserve powers. In the United States the President is a separately elected head of state and head of government, chosen through the Electoral College rather than by Congress, and serving a fixed four-year term. The President is not a member of Congress and cannot be removed simply by losing a vote there.

Separation of powers

Australia has a partial separation: the legislative and executive branches overlap through responsible government, while only the judicial branch is strictly separated under the Boilermakers' principle. The United States applies a much stricter separation across all three branches, reinforced by checks and balances: the President can veto legislation, Congress can override a veto and controls funding, and the Senate confirms judicial and executive appointments. The result is that in the United States power is more deliberately fragmented, which can produce gridlock, while in Australia a government with a lower house majority can usually govern effectively, subject to the Senate.

Accountability of the executive

The mechanisms of accountability differ in kind. In Australia accountability is continuous and political: question time, ministerial responsibility, the confidence of the House, and the threat of losing government drive it. In the United States accountability is more legal and structural: fixed terms mean the President cannot be removed for losing a vote, so accountability runs through elections, congressional oversight, the courts, and the extraordinary process of impeachment. A government can change in Australia through a no-confidence motion or party room; a President generally cannot be removed mid-term except by impeachment for serious wrongdoing.

Constitutions and rights

Both countries have written, rigid constitutions enforced by a supreme court exercising judicial review, which is an important similarity. The key difference is rights protection. The United States Constitution contains an entrenched Bill of Rights that gives individuals enforceable rights against government, struck down by the Supreme Court when breached. Australia's Constitution protects only a few express rights and a small number of implied limits, relying instead on responsible government, the common law and ordinary legislation to protect rights. This makes the United States a strong example of constitutional rights protection and Australia an example of a system that largely trusts the political process.

Structuring the comparison

A high-scoring answer is organised by theme (executive, separation of powers, accountability, rights) and explicitly judges each: how they are similar, how they differ, and why. Conclude with an evaluation, for example that the United States fragments power more strongly and protects rights more explicitly, while Australia delivers clearer lines of accountability and more decisive government, with each model carrying trade-offs.

Exam-style practice questions

Practice questions written in the style of SCSA exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.

WACE 202118 marksCompare the way political and legal power is distributed and exercised in Australia with one non-Westminster system you have studied.
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An 18 mark extended response is marked on sustained, thematic comparison, not two separate descriptions.

Introduction. Name the comparator (the United States presidential system) and state the organising idea: Australia fuses the executive and legislature while the United States separates them, and almost every other difference flows from this.

Executive. Australia: PM and Cabinet are members of Parliament holding office only while they retain the confidence of the House. United States: a separately elected President with a fixed four-year term who sits outside Congress. Draw the contrast explicitly.

Separation of powers. Australia has a partial separation (legislature and executive fused, only judicial power strictly separated under Boilermakers). The United States applies a strict three-way separation with checks and balances (veto, override, Senate confirmation).

Accountability and rights. Australia relies on continuous political accountability (question time, responsible government, no-confidence); the United States on fixed terms, congressional oversight and impeachment. The United States entrenches a Bill of Rights; Australia protects only a few express rights and relies on the political process.

Judgement. Conclude with a comparative evaluation: the United States fragments power more and protects rights more explicitly, while Australia delivers clearer accountability and more decisive government. Markers reward thematic structure and reasoned comparison.

WACE 20236 marksExplain two ways the executive is held accountable in Australia and two ways it is held accountable in a non-Westminster system.
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A 6 mark short answer needs two clear mechanisms for each system with brief explanation.

Australia. Responsible government: ministers must retain the confidence of the House and can be removed by a no-confidence vote. Question time and ministerial responsibility: ministers must answer to Parliament for their administration and may be forced to resign.

United States. Congressional oversight: committees can investigate and subpoena the executive, and the Senate confirms appointments. Impeachment: the President can be removed for serious wrongdoing through a process in Congress, and elections impose a fixed-term check.

Markers reward two accurate mechanisms per system and the contrast between continuous political accountability and structural or legal accountability.

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