The United Kingdom (UK) is the leading country of the Allies faction. It is one of the most powerful colonial countries, with 5 puppets and lots of land in Africa, South America and Asia. It also starts off with a massive navy, one of the best in the game.
The United Kingdom is one of the most powerful countries and is a major country. It starts off with quite a lot of land and is a good country for people who have had some experience as it does require some knowledge of the game such as how to use a navy etc. For newer people, Germany may be a better choice.