So what difference does it make who backed them? Keep in mind they also kicked Britain out then declared independence and were recognised as a country by the US and the USSR. Britain sought to restrict migration of Jewish people to the area. Yet you make out like they're absolutely responsible for what happened. Why didn't the Arab people living in that area take advantage of the league of nations offer to found a nation independent of the British and the Ottomans and the Mamelukes before them?