Read the paragraph. Mr. Jeffries propped his feet up on the ottoman and rested his newspaper on his lap. He laughed to see that the whole family had quietly convened in the family room, drawn in by young Jacob’s favorite radio show, “Adventures of the Fabulous Four.” Jacob was sprawled on the rug, listening intently as his superheroes defeated evil. Even the older kids had stopped their studying. Their textbooks were open, but they listened with rapt attention as the narrator concluded his tale.

What historical reality is represented in this fictional paragraph?