Answer: Realistic review of people's lives.
Step-by-step explanation:
When naturalism and realism are compared to postmodernism we can see a realistic representation of people's daily lives and everyday situations that they are experiencing. Naturalism was focused more on a darker topic than realism but those two with postmodernism are displaying a realistic review of the world.
Postmodernism was influenced by both realism and naturalism period. The most important thing that is bonding them is the truth that they are trying to represent to the world.