What does annexation of Crimea mean?

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Tags

1. #ukraine
2. #republic
3. #ukrainian
4. #independence
5. #soviet
6. #restored
7. #empire
8. #annexed
9. #russian
10. #crimean
11. #became
12. #before
13. #until
14. #federative
15. #khanate
16. #socialist
17. #crimea