According to the article titled “can korea be reunited,” what is the biggest obstacle to the unification of north and south korea? a. they do not share a common border. b. they speak different languages and have very different cultures. c. they do not have a common history as a unified state. d. they have very different political systems and systems of government.

Although china’s total economic output, measured by gross domestic product (gdp), is third largest in the world, it is considered a developing nation. what is most likely the most important factor for this designation? a. china’s government spends money on things that do not benefit human development. b. china has a large population, so its gdp per person is only modest. c. china has a strong economy but weak literacy and school attendance rates. d. china’s high rates of disease offset the country's economic gains.