Why was Berlin divided into East and West?

Related questions

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2. Why do you think Berlin was divided into four zones?
3. What happened to the German capital of Berlin after WWII?
4. Is Berlin in Prussia?
5. What was the significance of Berlin?
6. What did JFK say in Berlin?
7. How many days should I spend in Berlin?
8. Did Berlin get bombed in ww2?
9. What do you call someone from Berlin?
10. Is Berlin expensive to visit?

Tags

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19. #berlin
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21. #power
22. #feared
23. #western