Casablanca Protocol
... that the Casablanca Protocol was the only binding instrument of the Arab League that addressed the status of Palestinian refugees?
... that the <b id="mwBKk"><a href="./Casablanca_Protocol" id="mwBKo" rel="mw:WikiLink" title="Casablanca Protocol">Casablanca Protocol</a></b> was the only binding instrument of the <a href="./Arab_League" id="mwBKs" rel="mw:WikiLink" title="Arab League">Arab League</a> that addressed the status of <a href="./Palestinian_refugees" id="mwBKw" rel="mw:WikiLink" title="Palestinian refugees">Palestinian refugees</a>?