Complex sentence: It began in the south, where Ottoman cavalry guarded tracks to Madaba before continuing with strongly wired entrenchments with advanced posts extending from the foothills opposite the ford across the Jordan River at Makhadet Hijla to about north of the Jericho to Es Salt road.
Split into simpler sentences: It began in the south, where Ottoman cavalry guarded tracks to Madaba before continuing with strongly wired entrenchments. In front of these advanced posts extended from the foothills opposite the ford across the Jordan River at Makhadet Hijla to about north of the Jericho to Es Salt road.