Where did the saying a Ok come from?

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4. Who is okey dokey?
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Tags

1. #stood
2. #expression
3. #political
4. #popularity
5. #gained
6. #birthplace
7. #originated
8. #president
9. #korrect
10. #called
11. #letters
12. #abbreviation
13. #kinderhook
14. #after
15. #organization
16. #buren
17. #martin