"How do you propose boundaries and award land to people who have occupied that land for centuries? Arab occupation of the area dates back to the 8th century."

League of Nations seemed to do very well at the time {Immediately after World War I} when it sought to implement US President Woodrow Wilson's "Fourteen Points":
Finland, Latvia, Lithuania, Estonia, Poland, Czechoslovakia, Hungary and Yugoslavia. Then with the break-up of the Ottoman Empire we got Syria, The Lebanon, Palestine, Transjordan, Iraq, Kuwait, Saudi Arabia the Trucial States, Oman, Yemen, Aden.

Jews have lived in the area from way before the 8th Century.

Before the First World war the ottoman Empire found itself heavily in debt and the World Zionist Organisation offered to help in return for land.