Which system allows devolved governments in the UK?

The Westminster model is the correct choice as it refers to a system of parliamentary government that has been adopted in various forms by several countries, including the UK. This model is characterized by a strong central government and a parliamentary system where the executive branch derives its legitimacy from the legislature (Parliament) and is accountable to it.

In the context of the UK, the Westminster model allows for the devolution of powers to various regional governments, such as those in Scotland, Wales, and Northern Ireland. This devolution involves transferring certain legislative powers and decision-making authority from the central UK Parliament to these regional governments, thereby acknowledging regional identities and allowing for localized governance.

The significance of the Westminster model is that it provides a framework within which power can be shared and devolved without altering the structure of the central government itself. This fosters a balance between maintaining a unified state and recognizing the need for local governance, which is essential in a country with diverse regions and populations.

The other options do not directly pertain to the mechanism of devolution. Parliamentary sovereignty implies that Parliament has the supreme legal authority and can create or end any law, which is more about central power rather than the delegating of it. A constitutional monarchy defines the role of the monarch within the