"This morning, Ukraine’s military was forced to withdraw from Avdiivka after Ukrainian soldiers had to ration ammunition due to dwindling supplies as a result of congressional inaction, resulting in Russia’s first notable gains in months," the White House statement said.
U.S. Congress is not to blame. U.S. conservatives in congress are to blame.
The GOP works hard to support Putin. Delaying/denying any defense of Ukraine is a huge win for them as they support Putin’s efforts to invade Europe.