Which country is part of the United Kingdom?

England is part of the United Kingdom because the UK is a political union that consists of four countries: England, Scotland, Wales, and Northern Ireland. Each of these countries retains its own distinct cultural identity and legal system, but they come together under a single national government. This structure is what defines the United Kingdom as a sovereign state.

On the other hand, France, Germany, and Spain are independent countries that are not part of this political union. Each has its own government and is recognized as a separate nation on the global stage. Thus, the correct identification of England as part of the United Kingdom highlights the specific composition of this union.