escalation of the crises in Europe, which historically - see: WW2 - has massively benefited the US. more incentive to import American gas. damage Russia; the US objected to Nord Stream in the first place. also can be used as justification to increase support for what is essentially a proxy war in Ukraine

the EU/US economic stratosphere is not necessarily a zero-sum game, but in general if Europe’s economy separately takes a hit, the US gets stronger