I am quite certain the Russians will cite that as their cause celebre 'stare decisis' in their future actions against the US for what the US will (eh, read 'should') do regarding Mexico as it continues its spiral into a failed State.
BIG </sarc>
Russia’s aggressions in the form of the invasion, occupation, and conquest of present day Ukraine has nothing whatsoever to do with the current and future relations between the United States and Mexico.