срочно решить (ответить и дать полные ответы), срочно

1.Who were the Beatles?
2. How many records did they sell worldwide?
3.Why were the Beatles so successful and influential?
4. How did they get their name?
5. Why did Beatlemania roll across the globe?
6. How long did they stay on top?
7. How many number-one hits did they have?
8. How many core albums did they record?
9. How many Grammy Awards did they receive?
10. When did the Beatles brake up?
11. What happened to John Lennon?
12. What happened to George Harrison?​