 What part of the narrator is responsible for the story’s exposition?
Then both man and horse plunged headlong into the waiting torrent, deep into the cool embrace of the clear liquid. Refreshed and momentarily content, he sat staring into the dying fire, seeing the bright glowing coals as living fingers clutching at the wood in consuming embrace, taking all and returning nothing but ashes. Images began to appear, drawn from inexhaustible files, wherein are kept all thoughts, past, present, and future.... World War III had been declared, and he had enlisted, receiving his old rank of captain. Three days later they had landed in Spain, merged with another division, then crossed the Pyrenees into France, and finally to Paris where the fighting had begun.
 His memory.
 His war experience.  His memory.  His heart.  His love for his wife.