Think "whites only", but for Zionists it was "Jews only."
Throughout the 1920s and 1930s, Zionists went about expelling Palestinian Arabs from working at Jewish companies and business. They considered hiring Arabs evil. A grave sin. https://www.tandfonline.com/doi/abs/10.1525/jps.2007.36.2.25
It was and is a core principle of the Zionist movement, i.e., the Jewish supremacist movement, one that continues to rear it's ugly head today.
https://bird.makeup/users/davidsheen/statuses/2069698451042943044
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