And Europe is free to buy its energy from Russia instead of the US. Russia is free to use those resources to build nuclear weapons and send money to thier key ally Death to America Iran. Armchair isolationists can and should understand there is real price to be paid in American blood and treasure for their fantastical daydreams.
None of that makes it a US war.
Europe needs to man up and pay up.
They have +28 countries to pay and fight.