Spain, Portugal, Madrid, Denmark, Poland, Italy, Hungary, Belarus, and Greece.
Answer:
The Vienna Convention on Diplomatic Relations of 1961
Well every culture that felt like culture in past, present became a country... now the language is interesting because some countries speak the same language but just because either they learned it or they have the common cultural origin.
The option that does not explain why a large part of the Great Plains became known as the "Dust Bowl" would be that "<span>The soil of the Great Plains was too rocky to support farming," since the soil was (usually) relatively fertile. </span>