0 to worry about for Sweden. Russia already has a city in the...

0 to worry about for Sweden. Russia already has a city in the baltic sea (Kaliningrad, formerly a German city which they took after WW2). If Russia wanted to take Ukraine they would have in 2014. Crimea was taken with no prior media hype, Russia just wants a deal with NATO/US regarding security, remember the Germans/Europeans wanted Russia to build the Nord Stream 2 pipeline, it was built and then the Yanks came in and said no and now we have energy prices going up (particularly Gas).

A lot of this is bluffing and geopolitics, Putin's legacy will be tarnished back home if he leaves office without security of Russia's borders being intact. He has made plenty of concessions to his European partners over the past 20 years (heck he even tried to join NATO). At the end of the day, America wouldn't be happy if Russia started stationing troops in Cuba, Venezuela etc, when they were considering this in the early 2010's the past the Yanks said it is a redline. They have plenty of Resources (Graphite, Lithium, Rare Earths) so not like they would want that.

At most we may see a skirmish in Eastern Ukraine which is a majority pro Russian region.