Why did Orthodox split from Catholic Church?

Related questions

1. Who banned the use of icons?
2. How do Orthodox Christians use icons?
3. What was the controversy over icons?
4. What is Protestant iconoclasm?
5. How was the investiture controversy resolved?
6. What were icons in the Byzantine Empire?
7. What happened to the Catholic Church in 1054?
8. What did Emperor Leo 3 do to the church?
9. What is an iconoclast person?
10. What was the first icon?

Tags

1. #lasted
2. #communion
3. #catholic
4. #until
5. #between
6. #churches
7. #called
8. #which
9. #church
10. #century
11. #break
12. #eastern
13. #orthodox
14. #great
15. #schism