I think the problem is not in that the US is contributing too much but that others are contriburing too little. Even if ukraines on the other side of the planet, if we let dictators and terrorists thrive it will bite you in the ass one way or the other, sooner or later. The world is one and if one side is rotting it is bad idea to pretend everything is ok, until it isnt. Its just money in the end. US is the biggest player on the international scale so its logical its contributing the most but the numbers you gave are disgraceful... other countries like eu etc. Need to contribute more