That's a bad guess. Ukraine has destroyed ~4000 Russian main battle tanks, a 3rd of the Black Sea fleet and many more thousands of pieces of equipment so far. They have proven how effective they can be defending their country. US cutting their support would be a big blow, no doubt, but Ukrainians can stay in this fight for a long, long time just with the EU support.
That's a bad guess. Ukraine has destroyed ~4000 Russian main battle tanks, a 3rd of the Black Sea fleet and many more thousands of pieces of equipment so far. They have proven how effective they can be defending their country. US cutting their support would be a big blow, no doubt, but Ukrainians can stay in this fight for a long, long time just with the EU support.