Answer:
Theme Statement: Through the symbolic representation of dragon's teeth as formidable obstacles and the use of various security measures, Nadine Gordimer's "Once Upon a Time" explores the pervasive fear and unintended consequences that arise from an excessive obsession with security and the erosion of trust in a society.
or
The theme of the story is that love and forgiveness are essential in overcoming past mistakes and fostering true happiness and growth.
Step-by-step explanation: