The sticking point for Israel is that the southwest boundary of the West Bank portion of a Palestinian State is only about 20 miles from the Gaza border. A Palestinian state that includes both entities would make Israel's security untenable as the north and south of Israel could be cutoff from each other by a Palestinian military encroachment at that point.
https://www.google.com/maps/@31.4902129,34.8058027,11z?entry=ttuEdited by KC rules at 11:52:25 on 04/26/24