sentences:  If the Jarama valley were surrendered, the road from Madrid to Valencia would be cut off allowing Madrid to be taken by the Fascists which for all intents and purposes would cost the Spanish government the war.Along with Frank Ryan he rallied the remnants of the British Battalion in a defensive action which held the line outside Madrid.Cunningham led a bombing raid down a trench held at one end by the Fascists and at the other end by the Spanish government troops.