Why was a wall built in Berlin?

Related questions

1. Why is Berlin important?
2. Is Berlin cheaper than London?
3. What did JFK say in Berlin?
4. Can you drink tap water in Berlin?
5. Why did JFK go to Berlin?
6. Is Berlin water hard or soft?
7. Why did Berlin Wall go up?
8. Did Berlin get bombed in ww2?
9. Is Berlin expensive to live in?
10. What food is Berlin famous for?

Tags

1. #august
2. #german
3. #soviets
4. #government
5. #communist
6. #germany
7. #separating
8. #built
9. #country
10. #capitalism
11. #berlin
12. #people