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Palestinians are all stateless too.
Technically, West Bank Arabs are Jordanian, as Jordan formally annexed the territory
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Jordan formally annexed the West Bank on April 24, 1950, giving all residents automatic Jordanian citizenship. West Bank residents had already received the right to claim Jordanian citizenship in December 1949.
Israel conquered the territory of Judea and Samaria from Jordan during the Six-Day War in 1967. They never occupied 'Palestine' or Palestinian territory. It was land seized from Jordan.