Britain is mainly responsible for the catastrophe because of its Balfour Declaration. Read:
EINSTEIN: “When a real and final catastrophe should befall us in Palestine the first responsible for it would be the British and the second responsible for it the Terrorist organizations build up from our own ranks.” ……..
https://lettersofnote.Com/2010/03/04/when-a-real-and-final-catastrophe-should-befall-us/