Philistines Controlled Gaza Strip Down to Pelusaic Distributary of Nile River for Several Centuries After Ice Age

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When the Ice Age ended, whom were known as the Palaeste of the Adriatic sailed to the southeastern corner of the Mediterranean to control the territory of what today is called the Gaza Strip down to the then-diminishing (now extinct) Pelusaic distributary of the Nile river in Egypt where they built Pelusium, so if there is to be a Palestinian state, that territory would be it, but would the Egyptians go along?