I really doubt any sort of US action could lead to the EU fracturing.
If anything, having to deal with the US has brought us closer together. On one side there’s Trump making a fool of himself and of the US. On the other side there’s Musk, thinking he can take on European unions and actually win, because he thinks he’s still in the US, and in the middle there’s what i like to call the sheep pen of tech companies. We shear their wool for fines on privacy violations every couple of months to fund our regulatory organs.
I personally also suggest KeePass2 for an offline vault storage that you can use with Syncthing to synchronize so the data never leaves your devices.
It’s worth mentioning that both these programs are subject to leaks in machines infected with malware like OP’s was, so maybe if malware is a problem you deal with regularly, i suggest the online options.