1. Which of the following is true regarding growth rates for countries around the world compared to the United States?

I. Fifty percent of the world’s people live in countries with a lower standard of living than the U.S. in 1900.

II. The U.S. growth rate is six times the growth rate in the rest of the world.

III. China has only just attained the same standard of living the U.S. had in 1900.

a. I only

b. II only

c. III only

d. I and III only

e. I, II, and III