The U.S. State of South Carolina and Columbia.
Serbia and Montenegro spit definitely in 2006, although the country was before called "Serbia and Montenegro", and there were clear boundaries between the territories.
Kosovo is, depending on the point of view, a independent country in the Balkans, with an Albanian population, or a part of Serbia.
The thing is that Serbia has no de facto power over Kosovo, and Kosovo is de facto independent, but on the international stage not every country recognizes Kosovo as an independent country.
Answer:
the right answer is a
I hope it is helpful for you
20. The Answer is true.
21. Habeas corpus
22. B is Atlanta, D is Gettysburg, A is Vicksberg and C is Antietam.
23. Fort Sumter
24. C is thirteenth, B is fourteenth and A is fifteenth.
25. I’m not sure
26. Andrew Johnson
27. Freedmen’s bureau
28. Black codes
29. True
30. Rutherford B Hayes
31. Compromise of 1877