Complex sentence: The pursuit squadrons were hampered by the bad weather, and concentrated their operations to low-level attacks on enemy infantry forces along the roads east of the River Meuse until the Armistice on 11 November.
Split into simpler sentences: The pursuit squadrons were also hampered by the bad weather, and concentrated their operations to below the clouds and to attacks on enemy infantry forces on the ground. These low-level attacks attacked enemy infantry forces along the sides of the roads east of the Meuse until the Armistice on 11 November.