Discussing the historical context is important, but what's happening now matters even more.
And what's happening now that I think you might be missing is the complete and total subjugation of the Palestinian people by the Israeli government despite it being universally condemned by 95%+ of the Earth.
And there is a significant effort by a lot of people to split California into two or more two states but it’s all talk.
The Jewish relocation happened because of the British Empire.