You can think whatever you want.
You don't learn the truth until the "pogrom".
Just educate yourself.
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WHat's your point???
Palestine is not a country. It was the name of the region in the Middle East. Like Anatolia. Or Alsace. Or Côte d'Azur. Etc.
It was first under Ottomans. Then under Brits. Then it was divided to Israel and the other part was given to Jordan.
People lived there. Other people moved there. By 1948 there was a sizable Jewish population. Nothing illegal.
Where is the issue?