Israel was created because all the countries that the Jews lived in for some reason didn't want them back and so the western superpowers stole land from Palestine to give to the Jews. No one gave them a choice. Why should their land be stolen because your holy book 1000 years ago says you used to live there?

You guys clearly fucked off and moved. That was your choice. Why should the current people have to lose their land because you all of the sudden wanted to come back?

Also why couldn't the Jews keep living in the countries that they lived in prior to WW2?

It's not like the entire population of those countries decided to leave and go somewhere else.