Why might a historian use periodization when writing about ancient greece

A historian might use periodization in order to separate the different cultural and political movements in Ancient Greece. It's a good way to categorize and organize the vast history of Ancient Greece, in order to make it more easily understandable. It's also a good way to examine differences in ideals and culture shifts across time.

hi the answer to your question is

to control offices

this sparked alotof controversy more over ending the articles of federation