I know the answer is either I and II or just II but cannot figure it out. Please Explain.

Question 8 1 pts Why does South Korea have a higher level of real GDP, more physical capital and more human capital than North Korea? I. South Korea has better natural resources than North Korea. Il. Economic incentives for economic growth are better installed in South Korea. Ill. Historically South Korea's culture is different than North Korea. O I only land Il I, II, and Ill Ill only II only