Why did US pull out of Vietnam?

Related questions

1. What was North Vietnam fighting for?
2. Is education in Vietnam free?
3. Do you have to tip in Vietnam?
4. Is college free in Vietnam?
5. Are there Catholics in Vietnam?
6. Is RMIT a private university?
7. Is there still war in Vietnam?
8. What religion are most Vietnamese?
9. What is 4icu?
10. How long is school in Vietnam?

Tags

1. #pulling
2. #giving
3. #became
4. #south
5. #vietnamese
6. #vietnam
7. #began
8. #richard
9. #american
10. #nixon
11. #problems
12. #there
13. #vietnamisation
14. #increasing
15. #troops
16. #support
17. #financial
18. #president