Complex sentence: This period constitutes the first phase of the 1948 Palestine war, during which the Jewish and Arab communities of Palestine clashed, while the British, who had the obligation to maintain order, organized their withdrawal and intervened only on an occasional basis.
Split into simpler sentences: This period constitutes the first phase of the 1948 Palestine war, during which the Jewish and Arab communities of Palestine clashed. The British, who had the obligation to maintain order, organized their withdrawal and intervened only on an occasional basis.