10pts if you get it what is the most common religion of eastern and western europe? : christianity hinduism islam judaism

Sociology is best described as the systematic study of

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.

Why would someone who is studying the history or culture of this time. find this text interesting important or useful?