Lol, works out for me as I live in Canada. It's on the US Amazon site now, too:
It was oddly difficult to track down the pre-order link, even after I did an amazon search! Here it is:
https://www.amazon.com/The-Rolling-Thunder-Revue-The-1975-Live-Recordings/dp/B07NHQ1GYY
Strange that this is not part of the official Bootleg Series