"and nothing else but the denial of self determination of the PEOPLE OF Palestine?
The Arabs drew first blood, and there were consequences.
The League of Nations, in it's wisdom, created Iraq, Jordan, Syria and Lebanon, etc, for the Arabs. The League also sought to resettle Jews to Palestine, a country the Allies created on a map, same as they created Syria, Lebanon, Iraq and Lebanon on a map.
To wit, there were no Lebanese, Iraqis, Palestinians or Jordanian peoples, until the League of Nations created those national identities.
Before the League acted, there were only Arabs, Kurds and Jews. That's it.