Politics of the United Kingdom
The UK Parliament is the supreme legislative body in the United Kingdom (i.e., there is parliamentary sovereignty), and Government is drawn from and answerable to it. Parliament is bicameral, consisting of the House of Commons and the House of Lords. There is also a devolved Scottish Parliament and devolved Assemblies in Wales and Northern Ireland, with varying degrees of legislative authority.
Debate chamber
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The rectangular (bifurcated) seating configuration comprises two opposing rows of seats or benches facing towards a central aisle which bisects the room. At one end is commonly found a chair, throne, or podium for a Speaker, a monarch or president, or chairperson, respectively. This format is used in the Westminster style of parliamentary debating chambers, such as in the Parliaments of the UK, Canada, Australia, New Zealand, and other former British colonies. In this configuration, on one side of the aisle is the government and the other the opposition. This supports oppositional or divided groupings, from which emerged in the 19th century the two-party political system in the UK, and its dominions and colonies. Each person speaking is nominally directing his or her comments towards the speaker, but they do so facing the opposing members with their own group facing the same way they are. Without having one's own side turn around, it is not possible to face all members of the chamber simultaneously. In the British Parliament, the traditional method of recorded voting is called "division of the assembly" is by members placing themselves in separate rooms called "division lobbies", one each for the "Ayes" and "Noes". (This is derived from the Roman Senate which voted by division, by a senator seating himself on one side of the chamber or the other to indicate a vote.