Complex sentence: Notables from Ramallah and Jerusalem in particular were reluctant to give King Abdullah a "carte blanche"; they were unwilling to give up their claim to the whole of Palestine and refused to endorse his policy of consolidating the partition.
Split into simpler sentences: Notables from Ramallah and Jerusalem in particular were reluctant to give King Abdullah a "carte blanche". Although they did recognize him as monarch, they were unwilling to give up their claim to the whole of Palestine, and refused to endorse his policy of consolidating the partition.