Max, thought you'd like to digest this quote from David Ben Gurion, in 1938 no less, on what to do with the Arab populations when the State of Israel is created:

"In June 1938, Ben-Gurion summed up the mood in the JAE: "I support compulsory transfer. I do not see anything immoral in it."

Granted this is from Wiki, its citations are not:

https://en.wikipedia.org/wiki/Causes_of_the_1948_Palestinian_exodus