In times of old, our great Rabbis yielded great power, both in the upper realms and in conducting the affairs of our nation. It’s been said that the Gedolim in the era of the crusades cursed and put a cherem on the land (I think it was York) that no Jew should ever live there again, due to the great atrocities that were visited upon our people there. A land’s greatest gift is the ability to have a Jew do mitzvhos on it, they felt that was the best way to repay, avenge it – forever – for the brutality, cruelty done to us on it.
I have no doubt, had they been living in our era, they’d most certainly forbid – FOREVER – any Jew from treading upon its most cursed land.