The Border Between North and South Korea Is Strictly Patrolled

Multiple Choice

The border between North and South Korea is strictly patrolled by security forces to prevent movement of people. North Korea is impoverished, while South Korea is well developed. Why would South Korean labor unions oppose the opening of the border?

A) The supply of labor in South Korea would increase.
B) Wages in South Korea would fall.
C) All of the above.
D) None of the above.