The per capita real GDP of the United States and Europe was higher than that of the rest of the world, and this gap widened largely during theSeventeenth Century Solution Answer: c) Eighteenth Century The world economy witnessed huge growth in output as well as income since 1820. However, the growth was highly uneven and hence was accompanied by divergence of income and income disparities between nations. Therefore, the per capita real GDP of the United States and Europe was higher than that of the rest of the world, and this gap widened largely during the Eighteenth Century..