No Arab nation exists just as no Latin nation exists in South America despite the common language. And despite the common history of the Scandinavian peoples, no Scandinavian nation exists. The Palestinian people who've lived in the former Roman province of Palestina has formed from a number of ethnic groups - such as the Jews who stayed put in their homeland during the Roman rule - and was dominated by the invading Arab tribes. Just as the Germanic tribes in Europe gave rise to differrent peoples, the Arabs intermingled with the local populatoins to bring about new nations - see the Egyptian people who speak Arabic despite having lived in Egypt long before the Arab invasion.
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from the article: PlayStation Palestine