6.ancient athenians served as a model for western societies because they believed in-

a. physical fitness for all citizens

b. citizens determining before individual interests

c. military service for all citizens

d. religious training before artistic interests

B) Citizens determining before individual interest

Ifound this on google “the existence of agglomeration economies is central to the explanation of how cities increase in size and population, which places the phenomenon on a larger scale. the concentration of economic activity in cities is one reason for their development and growth.” i hope this you for what your looking for.