I'd assume through invasions by Arab states, since I quite doubt the Palestinian resistance would ever be strong enough to achieve it on its own in this time-period.
But yeah, in short, what would a Palestinian state look like under such circumstances? I'd imagine a big problem would be the status of the West Bank.
But yeah, in short, what would a Palestinian state look like under such circumstances? I'd imagine a big problem would be the status of the West Bank.