According to the article, why did the Mongols conquer new territory? A. to stop Alexander the Great from taking over area

B. to spread their culture to other parts of the world

C. to find new people to charge expensive taxes

D. to gain control of trade on the Silk Road

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment.b. the allocation of resources between private markets and the public sector.c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t.d. differences in productivity.e. ones that think at the margin and respond to incentives and those that don’t.