Greater israel project is nearing its fulfillment, isreal does not have to permanently occupy the land as it does not have the population to , however its achieved by having a say in running those states, having military, political and economic sway and dominion over them, Those states that do not play ball will be permanently dismembered and will be riven with internal war and strife like Iraq, Lebanon and Syria, Inded it still occupies parts of labanon and syria.
The only spanner in the work is not fully take over teh West Bank but that is a long term job with taken inches of the land over a week, as UAE sated if West Bank is taken over hue will leave the silly 'accords' forced onto them by the US .