How to Use "Caucasus" with Example Sentences

1. Conflicts in its north caucasus republics have flared again .
2. This diesel-electric submarine caucasus is undergoing major repairs .
3. Terrorists from the north caucasus tend to be suicide bombers .
4. Violence has spread from chechnya to other north caucasus republics and beyond .
5. Radicals in the caucasus feel the same way about the russian state .