It made reality easier to cope in a society whose economy was enduring recession (The Great Depression was taking place)
Explanation:
As the conditions for life , work and other significant areas of human life get low expectati, many topics in the entertainment industry (such as the Hollywood movies of the Wizard of OZ, among others) provide psychological <em>escapes</em> in that people can relieve the stress and anxiety as potrayed in the life and sublimated through the fictional characters and plot.
They also include magazines, radio and other ways of portraying images to the people appareantly have been sucessfull as the Life magazine still continues to reproduce it in todays circumstances.
I believe it is either persuading or informing because the book is about our hidden talents right therefore it could be persuading that we all have on or informing us that we all have one