Dear Joseph,
“The original Jewish property owners will reclaim all the property that was stolen from them by the Romans and all the other gentiles that seized Jewish property in Eretz Yisroel over the last two thousand years.”
WHAT?!?
Do you have a source for this? There is a whole sugya (Gittin 58) about how to buy land from the Romans in regard to the original owners. Besides, land conquered in war was universally considered legally acquired, until recently. ‘Occupied territory’ was at the discretion of the occupier. (Not sure when. 1948 UN? Maybe somebody here knows.) As far as I know, the halachah has not pivoted on this, and conquered property is legally owned. And, who are the original Jewish property owners? How would they prove it was theirs? According to your fiction, the land could belong to the Jews who were conquered by Sancheriev or Nebuchadnetzer. Or, perhaps even earlier conquests.
Maybe you meant something else.