Sanctions will bring more harm to Westerners under the current circumstances of war on attrition: see Megarian decree from the times of Peloponnesian war or embargo against Japan which led to Pearl Harbour attack. Though even sanctions aside, the US had carefully instigated Ukrainian crisis not for it to end so soon. We have now clear spiritual successor of Iraq, Syria, and Afghanistan wars combined and relocated to new gunpowder cellar of Europe, while American military industry and high-tech markets are busy reaping what they have sown there. Alas, not always it works in a bad way, which both Dems and Putin definitely would deserve. Hell mend them.