When should world stop Israel

So in recent years Israel is occupying new and new territory that it firstly ethnically cleans and then occupy indefinitely.

First they ethnically cleansed part of Gaza and then occupied it, than they ethnically cleansed part of Syria and occupied it and now they displaced over milion people in Lebanon and are trying to occupy it.

So my question is, how long should be according to people here Israel allowed to conquer new and new territory and cleaning it of Arabs living there before it should be stop by international coalition forces.