A B2 interview is quick, just a few minutes, just a few questions, very unlikely he will be asked about any documents. By all means take anything he feels might be substantive.
You have to get engaged for both.
Marrying makes a lot of sense and file immediately afterwards and get it going.
Joint Sponsor to cover the financial side.
UK is actually a lot quicker btw if you want to head there.
Going back a few years the Internet, people became more aware and with online filing maybe easier to do? Plus of course more people becoming eligible to file.
Quite a fascinating question, the usual comment is that you go by the Resident since date on your GC, but then this is not a usual case. Makes me wonder what the GC date is.
Finland to close border with Russia for two weeks, prime minister announces – Europe live
https://www.theguardian.com/world/live/2023/nov/28/geert-wilders-netherlands-government-nato-migration-europe-latest-news
Is this Trump in disguise.
If she wants to or needs to work then you chose the wrong route.
You have to marry before you can file anything and then it will be 8 months? before she is work/volunteer authorised.
You can file an I 130 to obtain an Ir5 so they can immigrate.
If they then decide not to stay and surrender their GC, file an I 407, it seems to help with any subsequent B application.