<human>:  What is the political landscape of the United Kingdom?
<bot>: The United Kingdom is a parliamentary democracy and constitutional monarchy, with the monarch as its head of state. It is a full member of the European Union, and is composed of England, Wales, Scotland, and Northern Ireland. The political landscape of the UK varies at the national and local levels, with variations in electoral systems and a variety of ideologies and parties represented in parliament. The two major UK-wide parties are the Conservative Party and the Labour Party, though there are also a variety of smaller, regional parties such as Scottish National Party and the Liberal Democrats.