Jordan is 78% of the Jewish National Home. Created as an illegal act by Winston Churchill. The remaining 22% was to be divided (also illegaly) into another Arab state and a Jewish state. The Jewish states half would be 2/3 desert! So if it had happened, thankfully the Arabs rejected the plan, the Jewish state would be just 7% of that agreed at Paris and San Remo.
Abbas: West Bank arson is a 'crime against humanity', vows to petition ICC (Haaretz)