任选其一作答。 1. "British history has been a history of invasion". Please illustrate this point with the examples from the text. How did each of the invasions influence English culture ? 2. What are some general characteristics of Scotland ? 3. Describe Wales' unification with Great Britain. 4. Are there any differences between England and Wales in terms of cultural tradition ? 5. Why is Northern Ireland, according to the author, so significant in the United Kingdom? What is the political problem there?