The correct answer is (2) an economist. study supply and demand for goods and services.
an anthropologist studies people in general, for example social groups but also individual people.
A sociologists studies the dynamic of a society
a political scientist studies politics.
The serf was the worst fed and rewarded but they had their own place unlike slaves who could not own their own land or property.
Segregation laws i believe because it was trying to end segregation
Steak engine made water power obsolete
