Via the UN,Re impose the Partition Plan. The World found it easy enough to do then despite protestations from the majority. The World was less stable then too given it was just at the end of WW2. Doing it now should be a breeze...just a stroke of the Pen and an announcement followed by deployment of an International Force that is already in the wings to ensure its implementation. Job done and Israel can lump it.
First refugees travelling on Hungarian bus arrive at Austrian border (Reuters)