Complex sentence: From the start of the Civil War, the city of Zahleh's key strategic location served as a main artery for the fighting groups involved in the conflict, particularly for the Syrian Army Forces who occupied the adjacent Bekaa Valley from May 1976.
Split into simpler sentences: From the start of the Civil War, the city of Zahleh's key strategic location served as a main artery for the fighting groups involved in the conflict. In particular, the Syrian Army Forces who occupied the adjacent Bekaa Valley from May 1976.