What agreement? what percentage of the supplies are being provided by the United States, and how are the financial aspects being managed and audited to prevent corruption -- a trend / pattern with Ukraine? How has the United States planned to backfill the billions of stockpiled munitions we've provided to Ukraine?This isn't Biden's war.
Never has been although that is the Russian propaganda at the moment. You are successfully parroting what Russian propagandists are saying.
All of NATO membership nations are keeping their promise of the NPA. If they didn't, they would never get another treaty....and they are continually needing them.
Poland itself is looking for some payback....so is Slovakia and Finland. Ukraine is a European proxy....USA just built the coalition and is providing some supplies (as per agreement)
Talk is cheap .. and since you're a subject matter expertise on the topic .. you can shed some light?