what remains as a challenging obstacle for both sides, nevertheless in the minority of numbers but still having a strong impact in moving forward in establishing two states as agreed upon in 1947, is the refusal of accepting the legitimacy of these two peoples' existence in this shared homeland - the Jewish (attributed to religious and nationalistic claims) being of over thousands of years and the Palestinian ancestry since the 7th century. Furthermore, what makes a nation distinct is its language (Hebrew) for Israel and for the Palestinians (Arabic, but of their own dialect), its culture and its customs - all of which remain characteristically part of their homeland, even as it endured in diaspora. And it's indeed a moral imperative to allow both nations to persevere.
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from the article: Dividing the Land of Israel into two states is a moral imperative