They connect to the West/South part of Ukraine (Trans Carpathia) which is already unhappy with the Kiev Regime.
That is mostly a heavily forested area, and easily defended.
Slovakia connects there as well.
So those countries would no longer be landlocked by EU controlled states.
Should be very interesting. You can bet the usual suspects here will be very upset at the prospect of these countries fleeing the clutches of the US and our satellite nations in Europe.