What is one thing that reader can learn from "a tale of two countries"

The one thing the reader can learn from "A Tale of Two Countries" is that hard work and dedication can turn the poorest country into one of the richest economies in the world. After the Korean War in the 1950s, South Korea was one of the poorest countries in the world. The Korean war left thousands of people dead.  This impacted on the economies of both North and South Korea. The biggest difference being that many of the South Koreans were hardworking. As a result, South Korea began manufacturing labor-intensive products and selling these products to the rest of the world. South Korea now has the one of the largest economies in the world.