Answer:
Eva's uncomplicated pregnancy cause Daniel to go AWOL from army boot camp,during the Korean War.
Only to arrive to late at her death bed, bereft and carved by Eva's death, Daniel does not return to the army,instead he ordered fireworks from a mail - order catalog and light up the sky with them as an emotional outlet and as the vision of a splendor that he has lost.
Explanation: it Tge reminder of the tragedy that happened to eve and Daniel.