The U.S. has shifted from being Ukraine’s critical ally to losing interest under President Trump, who has shown disdain for the conflict and echoed Kremlin narratives, undermining U.S. support. As American military aid declines and Trump’s influence wanes, Europe faces a pivotal moment in ensuring Ukraine’s defense against Russia, now tasked with meeting Ukraine’s military needs and increasing production of ammunition. The urgency for Europe to step up is paramount, as failure to do so could lead to significant economic and security repercussions.