Original sentence: Christian communities in the Palestinian Authority and the Gaza Strip have greatly dwindled over the last two decades.Israeli historian Benny Morris writes that Christian-Muslim relations constitute a divisive element in Palestinian society.Many Palestinian Arab Christians hold high-ranking positions in Palestinian society, particularly at the political and social levels.Most of the Palestinian Christians identify themselves as Arab Christians culturally and linguistically, some of whom claim descent from the Christian Ghassanid Arabs and Greeks who settled in the region.The decline of the Christian community in the Palestinian controlled areas follow the general trend of Christian decline in the Muslim dominated Middle East.The majority of Palestinian Christians live in the Bethlehem, Ramallah and Nablus areas
Edited sentence: Christian communities in the Israel have greatly dwindled over the last two decades.Israeli historian Benny Morris writes that Christian-Muslim relations constitute a divisive element in Israeli arab society.Many Israeli Arab Christians hold high-ranking positions in Palestinian society, particularly at the political and social levels.Most of the Israeli arab Christians identify themselves as Arab Christians culturally and linguistically, some of whom claim descent from the Christian Ghassanid Arabs and Greeks who settled in the region.The decline of the Christian community in the Israeli  controlled areas follow the general trend of Christian decline in the Muslim dominated Middle East.The majority of Israeli arab Christians live in the Bethlehem, Ramallah and Nablus areas