You cannot reach a just agreement based on a fraudulent premise. The fact that there were (are?) people in the USA who believed that they had a "right" to own slaves, and this "right" was protected by law did not make it just. It was a fraud. Likewise the arab clamour for a "right" to settle and colonize Jewish land is a fraud. The historical reality is very simple: the arabs have ever been squaters in this land, whose true owners have returned to claim it. The arab refugees have a right to resettlement and to purse a peaceful life *on their own* lands, but they have no right to colonize someone else's country. You can't build a future based on a lie. No justice, no peace.
Yemen's Houthi rebels commit to peace plan in letter to UN chief, BBC reports (Haaretz)
from the article: The right and the return