Which of the following is the most likely reason for the early exploration and settlement of of the western united states?
a. access to water and food
b. access to natural resources
c. easily available transportation
d. rapid urbanization

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.