Why is the UK made up of 4 countries?

Related questions

1. What is the oldest borough in England?
2. Is Dublin part of the UK?
3. Who found England first?
4. Is my country England or UK?
5. Who Rules England today?
6. What are the four regions in the UK?
7. What is my UK region?
8. Where are the shires in England?
9. Is the UK 4 countries?
10. Is UK a sovereign country?

Tags

1. #original
2. #countries
3. #scotland
4. #together
5. #states
6. #state
7. #england
8. #because
9. #wales
10. #separate
11. #before
12. #heads
13. #called
14. #except
15. #similar
16. #their
17. #guess