European Misunderstanding
Many individuals get the concepts of ethnicity and nationality mixed up. Both of these concepts are distinct, but comparing them to Europe can help clarify the distinction between them. People who are descended from European people all have European ethnicity, even though they may be French, German, or British; these three nationalities are all still considered to be European.
Even the country of the United Kingdom Even though it is cut off from the rest of Europe, it is still a part of the same continent, and the European Union has nothing to do with the situation. Even though it is cut off from the rest of Europe, it is still a part of the same continent.