I think the momentum doesn't come from the Ukraine war. It comes from the US going back on NATO article 5, declaring any promise of mutual defense dubious at best. And it comes from the US threatening NATO allies such as Canada and Denmark (to which Greenland belongs) with invasion.
When you treat your closest allies like that, you instantly become untrustworthy. And you will remain untrustworthy far longer than Trump can stay in office, be it with the current terms or some Putin-like term extensions.
Also, the 800bn are a huge bunch of money that politicians would have never gotten otherwise. Now they have it an can spend it on their military-industrial-cronies. They won't let that opportunity go to waste, even if the reason were gone.
When you treat your closest allies like that, you instantly become untrustworthy. And you will remain untrustworthy far longer than Trump can stay in office, be it with the current terms or some Putin-like term extensions.
Also, the 800bn are a huge bunch of money that politicians would have never gotten otherwise. Now they have it an can spend it on their military-industrial-cronies. They won't let that opportunity go to waste, even if the reason were gone.