Why did England invade Scotland?

Related questions

1. Is Scotland free from England?
2. Does England still own Scotland?
3. Are Irish and Scottish the same?
4. How warm does it get in Scotland?
5. What's the difference between a tartan and a kilt?
6. How do I get from London to Scotland by train?
7. Does Scotland have a king?
8. Is there a direct train from London to Edinburgh?
9. Is Harry Potter filmed in Edinburgh?
10. Was Scotland always part of England?

Tags

1. #retaliation
2. #invasions
3. #several
4. #scotland
5. #raids
6. #northern
7. #points
8. #scottish
9. #battle
10. #uprising
11. #edward
12. #centuries
13. #england
14. #stirling
15. #bridge
16. #occurred
17. #invasion
18. #defeat
19. #english