Complex sentence: The victories during the Third Transjordan attack, resulted in the capture of the equivalent of one Ottoman corps and many miles of Ottoman territory and the remnants of the Fourth Army were forced to retreat north to Damascus, in disarray.
Split into simpler sentences: The victories during the Third Transjordan attack, resulted in the occupation of many miles of Ottoman territory and the capture of the equivalent of one Ottoman corps. Meanwhile the remnants of the Fourth Army, were forced to retreat north to Damascus, in disarray.