4: Enable 2FA but since you're a foreigner in the US you don't have cell service, so no 2FA text is ever received.
You're compliant as you can be.
You're compliant as you can be.
Also, frame your vacation as a "getaway from technology."
Partner that with a candybar phone -- which you're going to buy a SIM card for in your destination country -- and you have a perfectly reasonable story.
At least I hope it's reasonable because it's what I've been doing for almost a decade