The advice to stop all contact with your mum was given with your well being in mind Armadillo. I'm glad that she's given up on trying to make you feel guilty and providing you have no further contact with her, she wont be able to do so again.
I think you've already blocked her from making contact through social media and if she writes to you, just throw the unopened letters in the bin where they belong.
The majority of Israeli Jews do not want to occupy Gaza.
being a right moany pain in the proverbial