What to do with the Autonomous Republic of Crimea and "LDNR" - 7 models:
Negotiators consistently state that one of the most difficult issues to discuss remains the status of the Autonomous Republic of Crimea (Crimea) and the Donetsk and Lugansk Oblasts of Ukraine (Russian called “LDNR”). Indeed, issues of territorial integrity and sovereignty are "red lines" for any state leader. Even discussing them can often be qualified as a serious criminal offence.

