Crimea was part of Russia from Tsarist
times, and hosts the Russian Black Sea Fleet.
Things started when Ukraine cut off water to the base in 2014. Crimea becomes nonviable without fresh water.
https://www.newsecuritybeat.org/2022/03/hydropolitics-russian-ukrainian-conflict/
So were Poland and the Baltic states. What's your point?
Sanity, thank you. The pro Ukro/Russia is evil cadre on FR is worse than uninformed.