Why does Australian flag have Union Jack?

Related questions

1. Is NZ part of Australia?
2. Is Australia still part of Britain?
3. What are the three arms of Australia's government?
4. Is New Zealand the same as Australia?
5. How did Australia get their flag?
6. Is the Southern Cross in the Milky Way?
7. What 4 stars make up the Southern Cross?
8. Was Australia's flag ever red?
9. Are Australia and New Zealand close?
10. Why does Australia have the Union Jack?

Tags

1. #between
2. #countries
3. #these
4. #nation
5. #zealand
6. #union
7. #australia
8. #presence
9. #display
10. #india
11. #colonies
12. #symbolizes
13. #british
14. #connection
15. #represents
16. #their
17. #commonwealth