Since the Allies landed in Normandy and to move on to liberate Paris .
Normandy is the British and American armies ( among affiliated Western Allied forces ) had both moved swiftly and decisively to take western cities in France .
Since the Allies landed in Normandy , the British and American armies ( among affiliated Western Allied forces ) had both moved swiftly and decisively to take western cities in France , and to move on to liberate Paris .