Which of the following is correct?
1. By the year 1000 A.D. Europe was well ahead of the rest of the world in income per capita.
2. Most of the growth in income per capita that has occurred over the last 2000 years is concentrated in the last 200 years.
3. Life expectancy has risen steadily since about the year 500 A.D.
4. China was the first country to experience the Industrial Revolution.
Answer: 2. Most of the growth in income per capita that has occurred over the last 2000 years is concentrated in the last 200 years.