At the End of the Korean War, South Korea Was

Multiple Choice

At the end of the Korean War, South Korea was one of the poorest countries in the world. Fifty years later, it is now considered a developed country. Which of the following phenomena is most likely to explain South Korea's development over the last 50 years?

A) Credentialism
B) Brain drain
C) Infrastructure investment
D) Increased competition for investment among developing countries