Sweden and Finland were part of the EU defense clause. They were already defacto NATO members. Sweden even was constantly aggressive towards russia before the Ukraine war.
Now the Americans can openly build their bases. The welfare states of these two nations will certainly decline as well. The presence of american bases, curiously leads to the same economic policies each time.
Its almost as if entertainment creates the socio-cultural tropes to uphold exploration and capitalism. Most people solely lay the blame on STEM for building the weapons that kill, but forget that the social sciences create the ideas that kill.