What is the backstop of Ireland?

Related questions

1. What is Ireland's main export?
2. What are the 6 Northern Ireland counties?
3. Why is part of Ireland owned by the UK?
4. When should you not go to Ireland?
5. What is a typical breakfast in Ireland?
6. Can you turn left on red in Ireland?
7. Why is southern Ireland not part of the UK?
8. Is Ireland safe to visit?
9. What do Irish people drink?
10. What are 3 interesting facts about Ireland?

Tags

1. #ireland
2. #republic
3. #border
4. #safety
5. #ensure
6. #backstop
7. #securing
8. #northern
9. #leaves
10. #event
11. #between
12. #without