The Ukraine war is like a gigantic dinosaur, or like a big long snake. Chop off the head, and it takes a long time for some parts of the body to recognize that it is dead. So, it keeps on moving along like nothing happened.
Is not unnacounted for, it is completely made up by Trump. You can notice that it grew as he needed to make it look bigger to justify dropping Ukraine into Putin's hands.
Most of it was military aid, not money and is actually creating US jobs.